CVE-2026-93841
Last modified
CVE-2026-93841 is a low-severity vulnerability rated 3.7/10 on the CVSS scale. vLLM through 0.29.0 contains a memory corruption vulnerability in the Triton _bincount_kernel where prompt token IDs index the penalty prompt-presence bitset without bounds checking against vocabulary size. Attackers can submit multimodal audio requests with tokens equal to vocabulary size, causing out-of-bounds writes that corrupt concurrent requests' sampler state and alter repetition penalty behavior..
Description
vLLM through 0.29.0 contains a memory corruption vulnerability in the Triton _bincount_kernel where prompt token IDs index the penalty prompt-presence bitset without bounds checking against vocabulary size. Attackers can submit multimodal audio requests with tokens equal to vocabulary size, causing out-of-bounds writes that corrupt concurrent requests' sampler state and alter repetition penalty behavior.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| vllm-project | vllm | <= 0.29.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-93841?
How severe is CVE-2026-93841?
How do I fix CVE-2026-93841?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-9382A flaw has been found in Edimax BR-6675nD 1.12. Affected by …8.8
- CVE-2026-9383A vulnerability has been found in itsourcecode Electronic Ju…7.3
- CVE-2026-93838SGLang versions through 0.5.20 contain an unbounded memory a…5.9
- CVE-2026-93839LightLLM through 1.2.0 contains an authentication bypass vul…9.8
- CVE-2026-9384A vulnerability was found in Totolink A8000RU 7.1cu.643_b202…9.8
- CVE-2026-93840vLLM before 0.29.0 validates allowed_token_ids against token…3.7
- CVE-2026-9385A vulnerability was determined in Totolink A8000RU 7.1cu.643…9.8
- CVE-2026-93852In OpenStack Blazar before 17.0.1, the V2 lease listing oper…7.1
- CVE-2026-93854In OpenStack Blazar before 17.0.1, the V2 lease API does not…7.2
- CVE-2026-9386A vulnerability was identified in Totolink A8000RU 7.1cu.643…9.8
- CVE-2026-93868Cotonti through 1.0.0 derives password recovery validation t…8.1
- CVE-2026-93869Cotonti through 1.0.0 contains an open redirect vulnerabilit…6.1
Are you affected by CVE-2026-93841?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST