CVE-2026-116502

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.

CVSS v3 4.4 MEDIUM
CVSS v2.0 3.2 LOW

4.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

3.2^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:S/C:N/I:P/A:P

Exploitability : 3.1 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

No configuration.

History

26 Oct 2026, 21:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-26 21:18

Updated : 2026-10-27 14:52

NVD link : CVE-2026-116502

Mitre link : CVE-2026-116502

CVE.ORG link : CVE-2026-116502

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write

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