CVE-2026-39813 (GCVE-0-2026-39813)
Vulnerability from cvelistv5 – Published: 2026-04-14 15:38 – Updated: 2026-06-18 09:01
VLAI
EPSS
VEX
Summary
A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-14 00:00 UTC
CWE
- CWE-24 - Escalation of privilege
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiSandbox |
Affected:
5.0.0 , ≤ 5.0.5
(semver)
Affected: 4.4.0 , ≤ 4.4.8 (semver) cpe:2.3:a:fortinet:fortisandbox:5.0.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:5.0.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:5.0.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:5.0.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:* |
|
| Fortinet | FortiSandbox Cloud |
Affected:
24.1
Affected: 23.4 Affected: 5.0.4 , ≤ 5.0.5 (semver) cpe:2.3:a:fortinet:fortisandboxcloud:24.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandboxcloud:23.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandboxcloud:5.0.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortisandboxcloud:5.0.4:*:*:*:*:*:*:* |
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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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.
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.
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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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