CVE-2026-0263 (GCVE-0-2026-0263)

Vulnerability from cvelistv5 – Published: 2026-05-13 17:47 – Updated: 2026-05-14 03:56
VLAI
Title
PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing
Summary
A buffer overflow vulnerability in the IKEv2 processing of Palo Alto Networks PAN-OS® software allows an unauthenticated network-based attacker to execute arbitrary code with elevated privileges on the firewall, or cause a denial of service (DoS) condition. Panorama, Cloud NGFW, and Prisma® Access are not impacted by these vulnerabilities.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 00:00 UTC
CWE
References
Impacted products
Vendor Product Version
Palo Alto Networks Cloud NGFW Unaffected: All (custom)
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Palo Alto Networks PAN-OS Affected: 12.1.0 , < 12.1.7, 12.1.4-h5 (custom)
Affected: 11.2.0 , < 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17 (custom)
Affected: 11.1.0 , < 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33 (custom)
Unaffected: 10.2.0 (custom)
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    cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:h3:*:*:*:*:*:*
    cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:h2:*:*:*:*:*:*
    cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:h1:*:*:*:*:*:*
    cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:-:*:*:*:*:*:*
    cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:*
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    cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:h10:*:*:*:*:*:*
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Create a notification for this product.
Palo Alto Networks Prisma Access Unaffected: All (custom)
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Date Public
2026-05-13 16:00
Show details on NVD website

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              "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."
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          "impacts": [
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                "Recovery": "USER",
                "Safety": "NOT_DEFINED",
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                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 7.2,
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                "exploitMaturity": "UNREPORTED",
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                "providerUrgency": "RED",
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                  "value": "\u003ctable class=\"tbl\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003c/th\u003e\u003cth\u003eMinor Version\u003c/th\u003e\u003cth\u003eSuggested Solution\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e Cloud NGFW\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 12.1\u003c/td\u003e\u003ctd\u003e12.1.5 through 12.1.6\u003c/td\u003e\u003ctd\u003eUpgrade to 12.1.7 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e12.1.2 through 12.1.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 12.1.4-h5 or 12.1.7 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 11.2\u003c/td\u003e\u003ctd\u003e11.2.11 or later\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.8 through 11.2.10-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.10-h6 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.5 through 11.2.7-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.7-h13 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.2.0 through 11.2.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.2.4-h17 or 11.2.12 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 11.1\u003c/td\u003e\u003ctd\u003e11.1.14 or later\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.11 through 11.1.13-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.13-h5 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.8 through 11.1.10-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.10-h25 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.7 through 11.1.7-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.7-h6 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.5 through 11.1.6-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.6-h32 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e11.1.0 through 11.1.4-h*\u003c/td\u003e\u003ctd\u003eUpgrade to 11.1.4-h33 or 11.1.15 or later.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 10.2\u003c/td\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePrisma Access\u0026nbsp;\u003c/td\u003e\u003ctd\u003e\u003cbr\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u0026nbsp;\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003e All older unsupported PAN-OS versions\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003e Upgrade to a supported fixed version.\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e"
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              "value": "VERSION                                 MINOR VERSION                SUGGESTED SOLUTION\nCloud NGFW                                                           No action needed.\nPAN-OS 12.1                             12.1.5 through 12.1.6        Upgrade to 12.1.7 or later.\n                                        12.1.2 through 12.1.4-h*     Upgrade to 12.1.4-h5 or 12.1.7 or later.\nPAN-OS 11.2                             11.2.11 or later             Upgrade to 11.2.12 or later.\n                                        11.2.8 through 11.2.10-h*    Upgrade to 11.2.10-h6 or 11.2.12 or later.\n                                        11.2.5 through 11.2.7-h*     Upgrade to 11.2.7-h13 or 11.2.12 or later.\n                                        11.2.0 through 11.2.4-h*     Upgrade to 11.2.4-h17 or 11.2.12 or later.\nPAN-OS 11.1                             11.1.14 or later             Upgrade to 11.1.15 or later.\n                                        11.1.11 through 11.1.13-h*   Upgrade to 11.1.13-h5 or 11.1.15 or later.\n                                        11.1.8 through 11.1.10-h*    Upgrade to 11.1.10-h25 or 11.1.15 or later.\n                                        11.1.7 through 11.1.7-h*     Upgrade to 11.1.7-h6 or 11.1.15 or later.\n                                        11.1.5 through 11.1.6-h*     Upgrade to 11.1.6-h32 or 11.1.15 or later.\n                                        11.1.0 through 11.1.4-h*     Upgrade to 11.1.4-h33 or 11.1.15 or later.\nPAN-OS 10.2                                                          No action needed.\nPrisma Access                                                        No action needed. \nAll older unsupported PAN-OS versions                                Upgrade to a supported fixed version."
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            "PAN-OS 11.1.6-h7",
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            "PAN-OS 11.1.6-h4",
            "PAN-OS 11.1.6-h3",
            "PAN-OS 11.1.6-h2",
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            "PAN-OS 11.1.6",
            "PAN-OS 11.1.5-h1",
            "PAN-OS 11.1.5",
            "PAN-OS 11.1.4-h32",
            "PAN-OS 11.1.4-h27",
            "PAN-OS 11.1.4-h25",
            "PAN-OS 11.1.4-h18",
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            "PAN-OS 11.1.4-h15",
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        "assignerShortName": "palo_alto",
        "cveId": "CVE-2026-0263",
        "datePublished": "2026-05-13T17:47:05.198Z",
        "dateReserved": "2025-11-03T20:44:23.944Z",
        "dateUpdated": "2026-05-13T18:23:42.359Z",
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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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.


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