Turboderp-org ExLlamaV3 hash-MoE routing routing.cu routing_sel_norm_kernel out-of-bounds
CVE-2026-124996

5.3MEDIUM

Key Information:

Vendor

Turboderp-org

Status
Exllamav3
Vendor
CVE Published:
9 November 2026

What is CVE-2026-124996?

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.

Affected Version(s)

ExLlamaV3 1.6.0

ExLlamaV3 1.6.1

ExLlamaV3 1.6.2

References

https://vuldb.com/vuln/433166
vdb-entrytechnical-description
https://vuldb.com/vuln/433166/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-124996
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dem00000 (VulDB User)
.