Lucene search
+L

CVE-2026-49283 SimpleSAMLphp HTTP-Artifact TLS validator confusion allows cross-IdP authentication bypass

🗓️ 19 Aug 2026 14:47:05Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

SimpleSAMLphp HTTP-Artifact TLS validator confusion allows cross-IdP authentication bypass in SAML2 library.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-49283
19 Aug 202614:47
–cve
debiancve
Debian CVE
CVE-2026-49283
19 Aug 202614:47
–debiancve
euvd
EUVD
EUVD-2026-62502
19 Aug 202614:47
–euvd
github
Github Security Blog
SimpleSAMLphp HTTP-Artifact TLS validator confusion allows cross-IdP authentication bypass
2 Jul 202620:25
–github
kitploit
Kitploit
security-research
19 Oct 202619:35
–kitploit
mend
Mend
CVE-2026-49283
19 Aug 202614:47
–mend
nvd
NVD
CVE-2026-49283
19 Aug 202615:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-49283
19 Aug 202615:17
–osv_debian
osv_ghsa
osv_ghsa
GHSA-6929-8P9F-26JX SimpleSAMLphp HTTP-Artifact TLS validator confusion allows cross-IdP authentication bypass
2 Jul 202620:25
–osv_ghsa
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-49283
19 Aug 202615:17
–osv_ubuntu
Rows per page
[
  {
    "vendor": "simplesamlphp",
    "product": "saml2",
    "versions": [
      {
        "version": "< 4.19.3",
        "status": "affected"
      },
      {
        "version": ">= 4.20.0, < 4.20.2",
        "status": "affected"
      },
      {
        "version": ">= 5.0.0, < 5.0.6",
        "status": "affected"
      },
      {
        "version": ">= 6.0.0, < 6.2.1",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation