CVE Explorer

CVE-2025-66567

The ruby-saml library is for implementing the client side of a SAML authorization. ruby-saml versions up to and including 1.12.4 contain an authentication bypass vulnerability due to an incomplete fix for CVE-2025-25292. ReXML and Nokogiri parse XML differently, generating entirely different document structures from the same input. This allows an attacker to execute a Signature Wrapping attack. This issue is fixed in version 1.18.0.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:aa356aceee95a3a603b87f6fe1b4d69ecd67826a3e7dcb9f0a57eef88d7ab160

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"ruby-saml","vendor":"SAML-Toolkits","versions":[{"status":"affected","version":"< 1.18.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/metrics/0/cvssV4_0

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:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/SAML-Toolkits/ruby-saml/commit/e9c1cdbd0f9afa467b585de279db0cbd0fb8ae97","tags":["x_refsource_MISC"],"url":"https://github.com/SAML-Toolkits/ruby-saml/commit/e9c1cdbd0f9afa467b585de279db0cbd0fb8ae97"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/references/1

{"name":"https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-9v8j-x534-2fx3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-9v8j-x534-2fx3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/references/0

{"name":"https://github.com/advisories/GHSA-754f-8gm6-c4r2","tags":["x_refsource_MISC"],"url":"https://github.com/advisories/GHSA-754f-8gm6-c4r2"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:0c9071ea4cabe2f433059331977013c842d8c2ecf09dd4ef8ed8531160b19077 · sha256:f431611f5a20fe74… · /containers/cna/references/2

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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