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CVE-2026-55536 Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

🗓️ 25 Aug 2026 15:21:53Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Unanchored regex in PraisonAI Browser Server WebSocket origin check allows unauthorized automation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55536
25 Aug 202616:35
circl
cve
CVE
CVE-2026-55536
25 Aug 202615:21
cve
euvd
EUVD
EUVD-2026-65545
25 Aug 202615:21
euvd
github
Github Security Blog
PraisonAI has a Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)
25 Aug 202615:22
github
nvd
NVD
CVE-2026-55536
25 Aug 202616:16
nvd
ptsecurity
Positive Technologies
PT-2026-81347
25 Aug 202600:00
ptsecurity
[
  {
    "vendor": "MervinPraison",
    "product": "PraisonAI",
    "versions": [
      {
        "version": "< 4.6.58",
        "status": "affected"
      }
    ]
  }
]

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