CVE-2026-124996 json
Turboderp-org ExLlamaV3 hash-MoE routing routing.cu routing_sel_norm_kernel out-of-bounds
published 2d ago modified 2d ago also EUVD-2026-120505
- cvss
- 6.3
- 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 16%
- public exploits
- 0
- none known
Summary
A weakness has been identified in Turboderp-org ExLlamaV3 up to 1.6.3. The impacted element is the function routing_sel_norm_kernel of the file exllamav3/exllamav3_ext/routing.cu of the component hash-MoE routing. This manipulation of the argument gate.tid2eid causes out-of-bounds read. Remote exploitation of the attack is possible. Upgrading to version 1.6.4 is sufficient to resolve this issue. Patch name: c9a57ae832a3035e264e0a412e1daf4ebb699b98. Upgrading the affected component is recommended.
Patch / fix
- Turboderp-org ExLlamaV3 1.6.4
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Check with FencerExploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | 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:X |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 3.0 | 6.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
Affected products
- Turboderp-org ExLlamaV3
Classification
References
-
github.com
/turboderp-org/exllamav3/commit/c9a57ae832a3035e264e0a412e1daf4ebb699b98
patch
-
github.com
/turboderp-org/exllamav3/releases/tag/v1.6.4
patch
-
vuldb.com
/vuln/433166
vdb-entry, technical-description
-
vuldb.com
/vuln/433166/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-124996
third-party-advisory
-
vuldb.com
/submit/1040627
third-party-advisory
-
github.com
/turboderp-org/exllamav3/issues/526
issue-tracking
-
github.com
/turboderp-org/exllamav3/
product
Sources
- CVE List CVE-2026-124996
Fencer Intel 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.