CVE-2026-124028
4.2 MEDIUMpublic exploit availablePublished 2026-11-06 · Updated 2026-11-09
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
mistral.rs before 0.9.5 contains a delimiter injection vulnerability in mistralrs-core that allows attackers to inject tool calls by placing delimiter strings in text the model quotes. Attackers controlling documents, web pages or tool outputs can embed tags like </tool_call> to make qwen-xml, gemma4 or reasoning parsers return extra calls to declared tools with attacker-chosen arguments.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Weaknesses
CWE-140
Public exploit & PoC references
- https://github.com/EricLBuehler/mistral.rs
- https://github.com/EricLBuehler/mistral.rs/commit/b43d3443e946752c0f662c2df42a2974410c9532
- https://github.com/EricLBuehler/mistral.rs/pull/2455
- https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.9.5
- https://github.com/EricLBuehler/mistral.rs/security/advisories/GHSA-34w8-j94f-8c5w
- https://github.com/EricLBuehler/mistral.rs/security/advisories/GHSA-34w8-j94f-8c5w
All references
- https://github.com/EricLBuehler/mistral.rs
- https://github.com/EricLBuehler/mistral.rs/commit/b43d3443e946752c0f662c2df42a2974410c9532
- https://github.com/EricLBuehler/mistral.rs/pull/2455
- https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.9.5
- https://github.com/EricLBuehler/mistral.rs/security/advisories/GHSA-34w8-j94f-8c5w
- https://www.vulncheck.com/advisories/mistral-rs-before-0.9.5-tool-call-injection-via-mistralrs-core-output-parsers
- https://github.com/EricLBuehler/mistral.rs/security/advisories/GHSA-34w8-j94f-8c5w
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
Related by shared AI tags and CWE weakness class. Browse the full archive.