CVE-2026-116502 json
turboderp-org ExLlamaV2 GPTQ Index q_matrix.cu make_sequential out-of-bounds write
published 2026-10-26 13 d ago modified 2026-11-02 6 d ago also EUVD-2026-110316
- cvss
- 4.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 d ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.8 | 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 |
| CNA | 3.1 | 4.4 | 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 |
| CNA | 3.0 | 4.4 | 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 |
| CNA | 2.0 | 3.2 | AV:L/AC:L/Au:S/C:N/I:P/A:P/E:ND/RL:ND/RC:C |
| CNA | 4.0 | 4.8 | 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 |
| CNA | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |
| CNA | 2.0 | 3.2 | AV:L/AC:L/Au:S/C:N/I:P/A:P |
Affected products
- turboderp-org ExLlamaV2
Classification
References
-
vuldb.com
/vuln/426401
vdb-entry, technical-description
-
vuldb.com
/vuln/426401/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-116502
third-party-advisory
-
vuldb.com
/submit/1022425
third-party-advisory
-
github.com
/turboderp-org/exllamav2/issues/817
issue-tracking
-
github.com
/turboderp-org/exllamav2/
product
Sources
- CVE List CVE-2026-116502
- NVD CVE-2026-116502
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.