CVE-2026-116502

MEDIUM 4.4

turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write

CVSS Score

4.4

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in turboderp-org ExLlamaV2 up to 0.3.2. The impacted element is the function QMatrix::make_sequential of the file exllamav2/exllamav2_ext/cuda/q_matrix.cu of the component GPTQ Index Handler. Executing a manipulation of the argument g_idx can lead to out-of-bounds write. The attack needs to be launched locally. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-787 CWE-119
Vendor	turboderp-org
Product	exllamav2
Published	Oct 26, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

turboderp-org / ExLlamaV2

0.3.0 0.3.1 0.3.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/426401 vuldb.com: https://vuldb.com/vuln/426401/cti vuldb.com: https://vuldb.com/cve/CVE-2026-116502 vuldb.com: https://vuldb.com/submit/1022425 github.com: https://github.com/turboderp-org/exllamav2/issues/817 github.com: https://github.com/turboderp-org/exllamav2/

Credits

🔍 m00dy (VulDB User) VulDB CNA Team