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No exploitation reportedAwaiting NVD analysis

CVE-2026-124994

Turboderp-org ExLlamaV3 NGramEmbedding ngram.cu ngram_dequant out-of-bounds

No exploitation reported by the sources we read.

  • Published2026-11-09
  • WeaknessCWE-119 · CWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A security flaw has been discovered in Turboderp-org ExLlamaV3 up to 1.6.3. The affected element is the function ngram_dequant of the file exllamav3/exllamav3_ext/ngram.cu of the component NGramEmbedding. The manipulation of the argument head_bias results in out-of-bounds read. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.4 is sufficient to fix this issue. The patch is identified as c9a57ae832a3035e264e0a412e1daf4ebb699b98. It is suggested to upgrade the affected component.

Timeline

dates in UTC
  1. 2026-11-0920:45CVE publishedCNA

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Turboderp-org ExLlamaV3
    Affected
    • = 1.6.0no fix stated
    • = 1.6.1no fix stated
    • = 1.6.2no fix stated
    • = 1.6.3no fix stated

    Not affected = 1.6.4

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-09

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-124994 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-09
  • CNACVSS 4.05.32026-11-09
  • CNACVSS 3.16.32026-11-09
  • CNACVSS 3.06.32026-11-09
  • CNACVSS 2.07.52026-11-09
  • CNAweakness (CWE)CWE-119, CWE-1252026-11-09

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Published
2026-11-09

Frequently asked questions

What is CVE-2026-124994?

A security flaw has been discovered in Turboderp-org ExLlamaV3 up to 1.6.3. The affected element is the function ngram_dequant of the file exllamav3/exllamav3_ext/ngram.cu of the component NGramEmbedding. The manipulation of the argument head_bias results in out-of-bounds read. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.6.4 is sufficient to fix this issue. The patch is identified as c9a57ae832a3035e264e0a412e1daf4ebb699b98. It is suggested to upgrade the affected component.

Is CVE-2026-124994 actively exploited?

Active exploitation of CVE-2026-124994 has not been confirmed.

What is the CVSS score for CVE-2026-124994?

CVE-2026-124994 has a CVSS v3 base score of 6.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C.

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