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CVE-2026-116502
turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write
Medium4.8EPSS 0.15%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X |
| VulDBCNA (assigner) | 3.1 | Medium4.4 | 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 |
| VulDBCNA (assigner) | 3.0 | Medium4.4 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:X/RC:C |
| VulDBCNA (assigner) | 2.0 | Low3.2 | AV:L/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C |
| NVDNVD · Deferred | 4.0 | Medium4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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 |
- EPSS (exploitation in 30 days)
- 0.15% · top 96% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.
Weakness
Affected products
- affected 0.3.0
- affected 0.3.1
- affected 0.3.2
References (6)
- VDB-426401 | turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write (opens in a new tab)vdb-entrytechnical-description
- VDB-426401 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-116502 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #1022425 | turboderp-org / ExLlamaV2 exllamav2 0.0.4 - 0.3.2 Heap out-of-bounds write caused by an unvalidated GPTQ `g_idx` v (opens in a new tab)third-party-advisory
- https://github.com/turboderp-org/exllamav2/issues/817 (opens in a new tab)issue-tracking
- https://github.com/turboderp-org/exllamav2/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-116502)Record last updated .