TI-2026-68380 Aliases CVE-2026-105775 GHSA-qx62-jwpf-rcpj

Out-of-bounds read in vLLM mamba_mixer2 conv_ssm_forward

MEDIUM 57CWE-119Published 2026-10-06 · Updated 2026-10-09

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: Deferred Red Hat: fix deferred

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

vllm-project vLLM up to 0.31.0 contains an out-of-bounds read in the conv_ssm_forward function of the Mamba mixer2 layer in the Completions Request Handler component. The flaw is CWE-125, an out-of-bounds read that lets a remote attacker with low privileges read memory outside the intended buffer. A public exploit has been disclosed and may be used. The project was informed through an issue report but has not responded.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A security vulnerability has been detected in vllm-project vLLM up to 0.31.0. This impacts the function conv_ssm_forward of the file vllm/model_executor/layers/mamba/mamba_mixer2.py of the component Completions Request Handler. The manipulation leads to out-of-bounds read. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00296 22nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Deferred Red Hat: fix deferred

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
vllm-project	vLLM	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22; 0.23; 0.24; 0.25; 0.26; 0.27; 0.28; 0.29; 0.30; 0.31.0	—	No fix listed	CNA

vLLM Vendorvllm-project Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22; 0.23; 0.24; 0.25; 0.26; 0.27; 0.28; 0.29; 0.30; 0.31.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vllm-project:vllm::::::::	—	—	vllm-project

cpe:2.3:a:vllm-project:vllm:*:*:*:*:*:*:*:* Versions — — ·vllm-project

Remediation

The sources list no fixed version for vLLM. Red Hat lists Red Hat AI Inference Server, Red Hat Enterprise Linux AI (RHEL AI) 3 and Red Hat OpenShift AI (RHOAI) as affected with no fix plan available.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat AI Inference Server	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux AI (RHEL AI) 3	Affected	No fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)	Affected	No fix yet: Fix deferred

Timeline

2026-10-06 Threatist record created from CVE-2026-105775
2026-10-06 Alias added: GHSA-qx62-jwpf-rcpj
2026-10-06 Affected versions changed · Red Hat
2026-10-06 CVSS score added · Red Hat
2026-10-09 CISA SSVC decision points changed
2026-10-09 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/vllm-project/vllm/issues/57266

Other 1

https://github.com/vllm-project/vllm/

TI-2024-10229 Remote Code Execution in vllm-project/vllm CVSS 3.0CRITICAL 9.8
TI-2024-08404 Remote Code Execution in vllm-project/vllm CVSS 3.1CRITICAL 9.8
TI-2026-36017 vLLM: OpenAI auth bypass CVSS 3.1CRITICAL 9.1
TI-2026-63056 vLLM before 0.28.0 Denial of Service via negative token ID CVSS 4.0HIGH 8.7
TI-2026-04308 Hardcoded trust_remote_code=True in vllm-project/vllm Bypasses User Security Control CVSS 3.0HIGH 8.8
TI-2026-39137 vLLM: Remote DoS in vLLM via Invalid Recovered Token Reinjection CVSS 3.1HIGH 7.5

See all 124 →

Sources

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