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CVE-2026-55574 vLLM: ReDoS via structured_outputs.regex compiled without timeout in xgrammar and outlines backends

🗓️ 06 Jul 2026 20:05:31Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 65 Views

CVE-2026-55574: Denial of service arises from adversarial regex in structured_outputs.regex with no timeout.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-55574
6 Jul 202620:05
–attackerkb
cgr
Chainguard
CVE-2026-55574 vulnerabilities
24 Aug 202620:25
–cgr
circl
Circl
CVE-2026-55574
9 Jul 202617:07
–circl
cve
CVE
CVE-2026-55574
6 Jul 202620:05
–cve
cvelist
Cvelist
CVE-2026-73556 vLLM: ReDoS via structured_outputs.regex in the lm-format-enforcer backend (no compile timeout) — missed sibling of CVE-2026-55574
13 Aug 202614:56
–cvelist
euvd
EUVD
EUVD-2026-41924
17 Jul 202617:10
–euvd
github
Github Security Blog
vLLM: ReDoS via structured_outputs.regex compiled without timeout in xgrammar and outlines backends
17 Jul 202617:10
–github
mend
Mend
CVE-2026-55574
6 Jul 202620:05
–mend
nvd
NVD
CVE-2026-55574
6 Jul 202621:16
–nvd
osv_cga
osv_cga
CGA-7WPW-PVRC-6P82
24 Aug 202615:38
–osv_cga
Rows per page
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": "< 0.24.0",
        "status": "affected"
      }
    ]
  }
]

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