CVE-2026-75090

MEDIUM 4.3

EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in EricLBuehler Mistral.rs up to 0.8.22. Affected by this issue is the function convert_gguf_to_hf_tokenizer of the file mistralrs-core/src/gguf/gguf_tokenizer.rs of the component GGUF Tokenizer. The manipulation of the argument eos_token_id/bos_token_id/unknown_token_id results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 0.8.23 can resolve this issue. The patch is identified as cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e. Upgrading the affected component is recommended.

CWE	CWE-125 CWE-119
Vendor	ericlbuehler
Product	mistral.rs
Published	Aug 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

EricLBuehler / Mistral.rs

0.8.0 0.8.1 0.8.2 0.8.3 0.8.4 0.8.5 0.8.6 0.8.7 0.8.8 0.8.9 0.8.10 0.8.11 0.8.12 0.8.13 0.8.14 0.8.15 0.8.16 0.8.17 0.8.18 0.8.19 0.8.20 0.8.21 0.8.22

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/391327 vuldb.com: https://vuldb.com/vuln/391327/cti vuldb.com: https://vuldb.com/cve/CVE-2026-75090 vuldb.com: https://vuldb.com/submit/877270 github.com: https://github.com/EricLBuehler/mistral.rs/issues/2225 github.com: https://github.com/EricLBuehler/mistral.rs/pull/2282 github.com: https://github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e github.com: https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23 github.com: https://github.com/EricLBuehler/mistral.rs/

Credits

🔍 m00dy (VulDB User)