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CVE-2026-49289 SimpleSAMLphp SAML2: Possible DoS via XPath Transform

🗓️ 19 Aug 2026 14:48:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

SimpleSAMLphp SAML2 4.19.2 and 4.20.2 allow attacker-controlled XPath transforms causing unauthenticated DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-49289
19 Aug 202614:48
–cve
debiancve
Debian CVE
CVE-2026-49289
19 Aug 202614:48
–debiancve
euvd
EUVD
EUVD-2026-62505
19 Aug 202614:48
–euvd
github
Github Security Blog
SimpleSAMLphp has Possible DoS via XPath Transform
2 Jul 202620:27
–github
mend
Mend
CVE-2026-49289
19 Aug 202614:48
–mend
nvd
NVD
CVE-2026-49289
19 Aug 202615:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-49289
19 Aug 202615:17
–osv_debian
osv_ghsa
osv_ghsa
GHSA-5CJR-MXJ5-WMRX SimpleSAMLphp has Possible DoS via XPath Transform
2 Jul 202620:27
–osv_ghsa
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-49289
19 Aug 202615:17
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-55454
2 Jul 202600:00
–ptsecurity
Rows per page
[
  {
    "vendor": "simplesamlphp",
    "product": "saml2",
    "versions": [
      {
        "version": ">= 4.19.2, < 4.19.3",
        "status": "affected"
      },
      {
        "version": ">= 4.20.2, < 4.20.3",
        "status": "affected"
      }
    ]
  }
]

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