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3 vulnerabilities by vllm
CVE-2026-56340 (GCVE-0-2026-56340)
Vulnerability from cvelistv5 – Published: 2026-06-20 18:27 – Updated: 2026-11-08 14:06
VLAI
EPSS
VEX
Title
vLLM - Denial of Service via Unvalidated Multimodal Embeddings
Summary
vLLM versions >= 0.10.2 and < 0.13.0 are missing sparse tensor validation in multimodal embeddings processing. Because PyTorch disables sparse tensor invariant checks by default, an attacker can submit crafted embedding requests with malformed (negative or out-of-bounds) tensor indices, when the prompt-embeds feature is enabled, to trigger crashes or resource exhaustion (denial of service), with potential for out-of-bounds/write-what-where memory corruption. This continues CVE-2025-62164, whose prior fix only disabled the feature by default rather than addressing the root cause.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 15:54 UTC
Assigner
VulnCheck
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/vllm-denial-… | third-party-advisory |
| https://access.redhat.com/security/cve/CVE-2026-56340 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2491060 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| vLLM | vLLM |
Affected:
0.10.2 , < 0.13.0
(semver)
Unaffected: 0.13.0 (semver) cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:* |
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3
|
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
Date Public
2026-01-08 00:00
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CVE-2025-71379 (GCVE-0-2025-71379)
Vulnerability from cvelistv5 – Published: 2026-06-20 18:27 – Updated: 2026-11-08 14:00
VLAI
EPSS
VEX
Title
vllm - Regular Expression Denial of Service in Multiple Components
Summary
vLLM versions >= 0.6.3 and < 0.9.0 contain multiple regular expression denial of service (ReDoS) vulnerabilities. Several regex patterns — in vllm/lora/utils.py, the phi4mini tool parser, and the OpenAI-compatible serving chat endpoint — are susceptible to catastrophic backtracking. An attacker submitting crafted input with nested or repeated structures can trigger severe CPU consumption and performance degradation, resulting in denial of service.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-22 17:54 UTC
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
VulnCheck
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/vllm-project/vllm/security/adv… | vendor-advisory |
| https://www.vulncheck.com/advisories/vllm-regular… | third-party-advisory |
Impacted products
Date Public
2025-05-28 00:00
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CVE-2025-1953 (GCVE-0-2025-1953)
Vulnerability from cvelistv5 – Published: 2025-03-04 20:00 – Updated: 2025-03-04 20:36
VLAI
EPSS
VEX
Title
vLLM AIBrix Prefix Caching hash.go random values
Summary
A vulnerability has been found in vLLM AIBrix 0.2.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file pkg/plugins/gateway/prefixcacheindexer/hash.go of the component Prefix Caching. The manipulation leads to insufficiently random values. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 0.3.0 is able to address this issue. It is recommended to upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-04 20:36 UTC
Assigner
VulDB
CNA
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.298543 | vdb-entry |
| https://vuldb.com/?ctiid.298543 | signaturepermissions-required |
| https://vuldb.com/?submit.509958 | third-party-advisory |
| https://github.com/vllm-project/aibrix/issues/749 | issue-tracking |
| https://github.com/vllm-project/aibrix/pull/752 | issue-tracking |
| https://github.com/vllm-project/aibrix/pull/752/c… | issue-trackingpatch |
| https://github.com/vllm-project/aibrix/issues/749… | issue-trackingpatch |
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"value": "In vLLM AIBrix 0.2.0 wurde eine Schwachstelle gefunden. Sie wurde als problematisch eingestuft. Dabei geht es um eine nicht genauer bekannte Funktion der Datei pkg/plugins/gateway/prefixcacheindexer/hash.go der Komponente Prefix Caching. Durch die Manipulation mit unbekannten Daten kann eine insufficiently random values-Schwachstelle ausgenutzt werden. Die Komplexit\u00e4t eines Angriffs ist eher hoch. Sie gilt als schwierig ausnutzbar. Ein Aktualisieren auf die Version 0.3.0 vermag dieses Problem zu l\u00f6sen. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
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