CVE Explorer

CVE-2026-41005

Cloud Foundry UAA incorrectly treated XML encryption to the Service Provider (confidentiality) as a substitute for XML signatures from the Identity Provider (authenticity) in two SAML flows: the OAuth 2.0 SAML2 bearer grant (token endpoint) and browser SSO (ACS) when wantAssertionSigned is set to false. Assertions or responses that were unsigned but contained encrypted content could still be accepted. Encryption uses the SP's public key from published metadata, therefore, any party, not only a t

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a513fa1a2d58eff2cd1cf7f3d4243d06b7e7906e5d96cfdfdbdc6791ed3189f0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"CF Deployment","vendor":"Cloud Foundry","versions":[{"lessThan":"57.0.0","status":"affected","version":"0.0.0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"UAA","vendor":"Cloud Foundry","versions":[{"lessThan":"78.14.0","status":"affected","version":"2.0.0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/affected/0

Affected products and versions

2 source assertions

{"defaultStatus":"unaffected","product":"CF Deployment","vendor":"Cloud Foundry","versions":[{"lessThan":"57.0.0","status":"affected","version":"0.0.0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"UAA","vendor":"Cloud Foundry","versions":[{"lessThan":"78.14.0","status":"affected","version":"2.0.0","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/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:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://www.cloudfoundry.org/blog/cve-2026-41005-uaa-accepts-saml-encrypted-assertions-authentication-bypass/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4e5516c40c7b9f49328b71732e86296c348901d65aa58cde4d9af26417ae1296 · sha256:5a82c7292e9b8712… · /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.

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