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CVE-2026-54236

🗓️ 22 Jun 2026 22:09:15Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 131 Views🌐 WEB

vLLM leaks heap addresses in error messages from PIL image errors via the Anthropic router; fixed in 0.23.1rc0.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-54236
22 Jun 202622:09
–attackerkb
cgr
Chainguard
CVE-2026-54236 vulnerabilities
2 Jul 202602:17
–cgr
circl
Circl
CVE-2026-54236
21 Jun 202623:10
–circl
cvelist
Cvelist
CVE-2026-54236 vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router
22 Jun 202622:09
–cvelist
euvd
EUVD
EUVD-2026-38403
22 Jun 202622:09
–euvd
github
Github Security Blog
vLLM: incomplete CVE-2026-22778 fix leaks PIL repr addresses via Anthropic router
17 Jun 202614:04
–github
mend
Mend
CVE-2026-54236
22 Jun 202622:09
–mend
nuclei
Nuclei
vLLM <= 0.23.0 - Anthropic Router Heap Address Information Leak
23 Oct 202602:07
–nuclei
nvd
NVD
CVE-2026-54236
22 Jun 202623:16
–nvd
osv_cga
osv_cga
CGA-446G-5846-Q2VH
18 Jun 202600:16
–osv_cga
Rows per page
NVD
Vulners
Node
vllmvllmRange<0.23.1
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": "< 0.23.1rc0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
image content partsrequest body/v1/messagesThe Anthropic API router handler for POST /v1/messages fails to sanitize error messages, potentially leaking heap memory addresses via UnidentifiedImageError when processing malformed image bytes.CWE-532
image content partsrequest body/v1/messages/count_tokensThe Anthropic API router handler for POST /v1/messages/count_tokens fails to sanitize error messages, potentially leaking heap memory addresses via UnidentifiedImageError when processing malformed image bytes.CWE-532

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24 Jun 2026 16:53Current
6Medium risk
Vulners AI Score6
CVSS 3.15.3
EPSS0.00927
SSVC
131