CVE-2026-124996Turboderp-org ExLlamaV3 Out-of-bounds Read
NVD
Vulnerability 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.
CVSS v4.0 Base Metrics — Score 5.3 (MEDIUM)
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:XAttack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)Low
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 6.3)
CVSS v3.1 Base Metrics — Score 6.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:O/RC:CAttack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
Affected & Patched Versions
- Turboderp-org ExLlamaV3 1.6.0
- Turboderp-org ExLlamaV3 1.6.1
- Turboderp-org ExLlamaV3 1.6.2
- Turboderp-org ExLlamaV3 1.6.3
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run Turboderp-org ExLlamaV3 and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
Timeline
- Nov 9, 2026Published
- Nov 9, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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External References
- Advisoryhttps://vuldb.com/vuln/433166
- Advisoryhttps://vuldb.com/vuln/433166/cti
- Advisoryhttps://vuldb.com/cve/CVE-2026-124996
- Advisoryhttps://vuldb.com/submit/1040627
- Issue Trackinghttps://github.com/turboderp-org/exllamav3/issues/526
- Patchhttps://github.com/turboderp-org/exllamav3/commit/c9a57ae832a3035e264e0a412e1daf4ebb699b98
- Patchhttps://github.com/turboderp-org/exllamav3/releases/tag/v1.6.4
- Referencehttps://github.com/turboderp-org/exllamav3/
Data last checked: Nov 13, 2026 19:14 UTC