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CVE-2026-39972

🗓️ 09 Apr 2026 16:42:22Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Mercure topic cache key collision may bypass private update authorization; fixed in 0.22.0.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-39972
9 Apr 202616:42
attackerkb
Chainguard
CVE-2026-39972 vulnerabilities
10 Apr 202614:16
cgr
Circl
CVE-2026-39972
9 Apr 202619:22
circl
CNNVD
mercure 安全漏洞
9 Apr 202600:00
cnnvd
Cvelist
CVE-2026-39972 Mercure has a Topic Selector Cache Key Collision
9 Apr 202616:42
cvelist
EUVD
EUVD-2026-20967
9 Apr 202616:42
euvd
Github Security Blog
mercure has Topic Selector Cache Key Collision
8 Apr 202619:53
github
NVD
CVE-2026-39972
9 Apr 202617:16
nvd
OSV
CGA-85CW-8F5H-R97W
10 Apr 202614:17
osv
OSV
GHSA-HWR4-MQ23-WCV5 mercure has Topic Selector Cache Key Collision
8 Apr 202619:53
osv
Rows per page
Vulners
Node
dunglasmercureRange<0.22.0
[
  {
    "vendor": "dunglas",
    "product": "mercure",
    "versions": [
      {
        "version": "< 0.22.0",
        "status": "affected"
      }
    ]
  }
]

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16 Apr 2026 14:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 47.1
EPSS0.00036
5