Is CVE-2025-62426 in the CISA KEV catalog?

No. CVE-2025-62426 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-62426?

CVE-2025-62426 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-62426?

CVE-2025-62426 has an EPSS score of 0.32% (24th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-62426

Q: How do I fix CVE-2025-62426?

Upgrade registry.redhat.io/rhaiis/vllm on rhel 8 to cuda-rhel9@sha256:dcb9d1cd005c40b6db6f893e56419e383b9dcc0d38315605cb1457e2af5354f7_amd64 or later. Fixes are available for 2 affected products.

MEDIUM

6.5

CVSS v3

NVD

Description

vLLM is an inference and serving engine for large language models (LLMs). From version 0.5.5 to before 0.11.1, the /v1/chat/completions and /tokenize endpoints allow a chat_template_kwargs request parameter that is used in the code before it is properly validated against the chat template. With the right chat_template_kwargs parameters, it is possible to block processing of the API server for long periods of time, delaying all other requests. This issue has been patched in version 0.11.1.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

registry.redhat.io/rhaiis/vllmRed Hat / RHEL

Fixed in:cuda-rhel9@sha256:dcb9d1cd005c40b6db6f893e56419e383b9dcc0d38315605cb1457e2af5354f7_amd64RHSA-2026:3461

Fixed in:cuda-rhel9@sha256:fa844e16d06e871f1a5dbc2fd5b3882d28112eee8d6bee601d94c96295c5e24f_arm64RHSA-2026:3461

Fixed in:rocm-rhel9@sha256:53007894763e03f609c35c727cb738db3c2130b19fa0e1069c24240e0870fb7a_amd64RHSA-2026:3462

registry.redhat.io/rhaiis/vllmRocky

Fixed in:cuda-rhel9@sha256:dcb9d1cd005c40b6db6f893e56419e383b9dcc0d38315605cb1457e2af5354f7_amd64RHSA-2026:3461

Fixed in:cuda-rhel9@sha256:fa844e16d06e871f1a5dbc2fd5b3882d28112eee8d6bee601d94c96295c5e24f_arm64RHSA-2026:3461

Fixed in:rocm-rhel9@sha256:53007894763e03f609c35c727cb738db3c2130b19fa0e1069c24240e0870fb7a_amd64RHSA-2026:3462

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.32%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Issue Tracking1

github.com

Product2

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-04.