CVE-2026-75090
EricLBuehler Mistral.rs GGUF Tokenizer gguf_tokenizer.rs convert_gguf_to_hf_tokenizer out-of-bounds
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.
INFO
Published Date :
Aug. 18, 2026, 2:17 a.m.
Last Modified :
Aug. 18, 2026, 2:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-75090
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Upgrade EricLBuehler Mistral.rs to version 0.8.23.
- Apply patch cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e.
- Update the GGUF Tokenizer component.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-75090.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-75090 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-75090
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-75090 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-75090 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Aug. 18, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:ericlbuehler:mistral.rs:*:*:*:*:*:*:*:*'], 'vendor': 'EricLBuehler', 'modules': ['GGUF Tokenizer'], 'product': 'Mistral.rs', 'versions': [{'status': 'affected', 'version': '0.8.0'}, {'status': 'affected', 'version': '0.8.1'}, {'status': 'affected', 'version': '0.8.2'}, {'status': 'affected', 'version': '0.8.3'}, {'status': 'affected', 'version': '0.8.4'}, {'status': 'affected', 'version': '0.8.5'}, {'status': 'affected', 'version': '0.8.6'}, {'status': 'affected', 'version': '0.8.7'}, {'status': 'affected', 'version': '0.8.8'}, {'status': 'affected', 'version': '0.8.9'}, {'status': 'affected', 'version': '0.8.10'}, {'status': 'affected', 'version': '0.8.11'}, {'status': 'affected', 'version': '0.8.12'}, {'status': 'affected', 'version': '0.8.13'}, {'status': 'affected', 'version': '0.8.14'}, {'status': 'affected', 'version': '0.8.15'}, {'status': 'affected', 'version': '0.8.16'}, {'status': 'affected', 'version': '0.8.17'}, {'status': 'affected', 'version': '0.8.18'}, {'status': 'affected', 'version': '0.8.19'}, {'status': 'affected', 'version': '0.8.20'}, {'status': 'affected', 'version': '0.8.21'}, {'status': 'affected', 'version': '0.8.22'}, {'status': 'unaffected', 'version': '0.8.23'}]}] 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-119 Added CWE CWE-125 Added Reference https://github.com/EricLBuehler/mistral.rs/ Added Reference https://github.com/EricLBuehler/mistral.rs/commit/cd5297e2ea5cb27c790bdcf2f3c2f1064a81d55e Added Reference https://github.com/EricLBuehler/mistral.rs/issues/2225 Added Reference https://github.com/EricLBuehler/mistral.rs/pull/2282 Added Reference https://github.com/EricLBuehler/mistral.rs/releases/tag/v0.8.23 Added Reference https://vuldb.com/cve/CVE-2026-75090 Added Reference https://vuldb.com/submit/877270 Added Reference https://vuldb.com/vuln/391327 Added Reference https://vuldb.com/vuln/391327/cti