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CVE-2026-55549 Yamcs: Reflected XSS in the URL of the Authorize Endpoint

🗓️ 28 Aug 2026 17:15:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

Reflected XSS in Yamcs prior to 5.9.4 via redirect_uri in the Authorize endpoint.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-55549
28 Aug 202617:15
–cve
euvd
EUVD
EUVD-2026-67841
28 Aug 202617:15
–euvd
github
Github Security Blog
Yamcs has Reflected XSS in the URL of the Authorize Endpoint
28 Aug 202617:17
–github
mend
Mend
CVE-2026-55549
28 Aug 202617:15
–mend
nuclei
Nuclei
Yamcs <=5.8.6 - Cross-Site Scripting
30 Oct 202602:04
–nuclei
nvd
NVD
CVE-2026-55549
28 Aug 202620:18
–nvd
osv_ghsa
osv_ghsa
GHSA-RXPG-WJF8-QV9C Yamcs has Reflected XSS in the URL of the Authorize Endpoint
28 Aug 202617:17
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-83248
28 Aug 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-55549: Improper Neutralization of Input During Web Page Generation
28 Aug 202600:00
–rapid7
snyk
Snyk
Cross-site Scripting (XSS)
28 Aug 202617:17
–snyk
Rows per page
[
  {
    "vendor": "yamcs",
    "product": "yamcs",
    "versions": [
      {
        "version": "< 5.9.4",
        "status": "affected"
      }
    ]
  }
]

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