Skip to main content
EPSS 0.7%top 49%

CVE-2026-75090: Out-of-Bounds Read in EricLBuehler Mistral.rs

0
Medium
Published: 08/18/2026 (08/18/2026, 01:15:14 UTC)
Source: GCVE Database
Vendor/Project: EricLBuehler
Product: Mistral.rs

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.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

crates.iomore threats →ai
github/EricLBuehler/mistral.rs
pkg:cargo/github/EricLBuehler/mistral.rs
Affected versions
<0.8.23

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/18/2026, 13:46:25 UTC

Technical Analysis

CVE-2026-75090 is a low-severity vulnerability in EricLBuehler Mistral.rs versions up to 0.8.22. It arises from improper handling of the eos_token_id, bos_token_id, and unknown_token_id arguments in the convert_gguf_to_hf_tokenizer function within the mistralrs-core/src/gguf/gguf_tokenizer.rs file. This manipulation results in an out-of-bounds read (CWE-119). The vulnerability can be exploited remotely and public exploit code is available. The issue is fixed in version 0.8.23, with the patch identified by commit cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e.

Potential Impact

The vulnerability allows remote attackers to trigger an out-of-bounds read, which may lead to application instability or crashes. There is no indication of confidentiality or integrity impact. The CVSS v3.1 score is 4.3 (low severity), reflecting the limited impact focused on availability.

Mitigation Recommendations

Upgrade EricLBuehler Mistral.rs to version 0.8.23 or later, which contains the official fix for this vulnerability. No other mitigations are indicated or required.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-9x3x-hjpw-2q3f
Osv Schema Version
1.4.0
Aliases
["CVE-2026-75090"]
Database Specific Severity
LOW
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a8460a6c6e8be033245abb2

Added to database: 08/18/2026, 13:39:50 UTC

Last enriched: 08/18/2026, 13:46:25 UTC

Last updated: 10/02/2026, 10:50:23 UTC

Views: 81

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses