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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ericlbuehler
  • Mistral.rs

No data.

No data.

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

Thu, 20 Aug 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 18 Aug 2026 01:45:00 +0000

Type Values Removed Values Added
Description 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.
Title EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds
First Time appeared Ericlbuehler
Ericlbuehler mistral.rs
Weaknesses CWE-119
CWE-125
CPEs cpe:2.3:a:ericlbuehler:mistral.rs:*:*:*:*:*:*:*:*
Vendors & Products Ericlbuehler
Ericlbuehler mistral.rs
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 4.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-08-18T01:15:14.559Z

Updated: 2026-08-18T13:36:51.469Z

Reserved: 2026-08-17T16:35:41.582Z

Link: CVE-2026-75090

cve-icon Vulnrichment

Updated: 2026-08-18T13:30:46.350Z

cve-icon NVD

Status : Deferred

Published: 2026-08-18T02:17:30.333

Modified: 2026-08-20T12:48:10.287

Link: CVE-2026-75090

cve-icon Redhat

No data.