Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-47201

authentik is an open-source identity provider. Prior to versions 2025.12.5, 2026.2.3, and 2026.5.1, authentik's SAML Source ACS endpoint is vulnerable to XML Signature Wrapping when validating upstream SAML responses. An attacker with any account at the upstream IdP can reuse a valid signed assertion to authenticate as another federated user. This issue has been patched in versions 2025.12.5, 2026.2.3, and 2026.5.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7cb71e69e914b4df0a64fc6f89d891d312b59de7dffdeb000fabfb225907628e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"authentik","vendor":"goauthentik","versions":[{"status":"affected","version":"< 2025.12.5"},{"status":"affected","version":"< 2026.2.3"},{"status":"affected","version":"< 2026.5.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:616f50eb441de97a3645694b7aacf5961dfc6599170018781723ac31d0ceb50c · sha256:aa51ebcea7512eae… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:616f50eb441de97a3645694b7aacf5961dfc6599170018781723ac31d0ceb50c · sha256:aa51ebcea7512eae… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:616f50eb441de97a3645694b7aacf5961dfc6599170018781723ac31d0ceb50c · sha256:aa51ebcea7512eae… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/goauthentik/authentik/security/advisories/GHSA-c3m2-jqmq-pvp3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/goauthentik/authentik/security/advisories/GHSA-c3m2-jqmq-pvp3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:616f50eb441de97a3645694b7aacf5961dfc6599170018781723ac31d0ceb50c · sha256:aa51ebcea7512eae… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer