CVE-2026-116502: turboderp-org ExLlamaV2 · Memory Buffer Overflow
Source GCVE Database
Not known to be exploited · CVSS 4.8 Medium.
Data as of 26 Oct 2026, 22:27 UTC
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:XExploitation evidence
Disclosed: evidence found.
CVE published 26 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| turboderp-orgExLlamaV2 | Affected
| Fixed in– |
GitHubturboderp-org/exllamav2pkg:github/turboderp-org/exllamav2Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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.
References
- nvd.nist.gov/vuln/detail/CVE-2026-116502 (opens in a new tab)
- github.com/turboderp-org/exllamav2/issues/817 (opens in a new tab)
- github.com/turboderp-org/exllamav2 (opens in a new tab)
- vuldb.com/cve/CVE-2026-116502 (opens in a new tab)
- vuldb.com/submit/1022425 (opens in a new tab)
- vuldb.com/vuln/426401 (opens in a new tab)
- vuldb.com/vuln/426401/cti (opens in a new tab)