MediumVulnerabilityLLM-specific

CVE-2026-108759: mistral.rs sandbox escape via symlinks in mistralrs-code-exec

Source: NVD(opens in a new tab)
Identifier: CVE-2026-108759
Published: October 11, 2026
Record updated: October 11, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.

Summary

mistral.rs versions 0.9.0 through 0.9.4 contain a link following flaw in mistralrs-code-exec. Sandboxed shell code can read and overwrite files outside the sandbox through symlinks, and attackers or prompt-injected agents can exploit this by naming symlinks as outputs or reusing sessions with symlinked input paths. Access runs with the server process's permissions.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 6.8(medium)
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector: network
Attack complexity: high
Privileges required: low
User interaction: none
EPSS: Not scored. FIRST had not published an EPSS score for this CVE when it was last checked on October 11, 2026.
Disclosure date: October 11, 2026

Weaknesses and techniques

Weakness (CWE): CWE-59
AI threat technique (MITRE ATLAS): AML.T0051

Classification

Attack type: Prompt injection,
Other
Attack sophistication: Moderate
AI component targeted: Inference
Impact: Confidentiality,
Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-108759

First tracked: October 11, 2026 at 02:07 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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