vllm-project vLLM Jinja Template Rendering completions resource consumption (vllm-project vLLM)

CVE-2026-90878
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.53 % · percentile 45 ()
State
PUBLISHED
Published
Updated
Assigner
VulDB
NVD status
Deferred

Description

A vulnerability was determined in vllm-project vLLM up to 0.27.1. This affects an unknown part of the file /v1/chat/completions of the component Jinja Template Rendering. This manipulation of the argument chat_template causes resource consumption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Weaknesses (CWE)

  • CWE-400 — Uncontrolled Resource Consumption
  • CWE-404 — Improper Resource Shutdown or Release

References

Scores

VersionScoreVectorScored by
CVSS 4.0MEDIUM 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PVulDB
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
CVSS 3.0MEDIUM 4.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:RVulDB
CVSS 2.0MEDIUM 4.0AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:URVulDB
CVSS 4.0LOW 2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD · cna@vuldb.com (Secondary)
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LNVD · cna@vuldb.com (Secondary)
CVSS 2.0MEDIUM 4.0AV:N/AC:L/Au:S/C:N/I:N/A:PNVD · cna@vuldb.com (Secondary)

European references

Affected products

ProductVersions
vllm-project · vLLMaffected 0.27.0 ; affected 0.27.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD