CVE Explorer

CVE-2026-54714

Logto is the modern, open-source auth infrastructure for SaaS and AI apps. Prior to 1.41.0, @logto/core reflected the SAML RelayState, SAMLResponse, and actionUrl into a Logto-origin auto-submit HTML form in packages/core/src/saml-application/SamlApplication/utils.ts without HTML-attribute escaping. A SAML application flow with a crafted RelayState from GET or POST /api/saml/:id/authn could inject script that runs on the Logto tenant origin after the user completes login. This issue is fixed in

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f3506cf23145cdd180447a36f5f825cb6738bac32a55b3fa8a241cd9189fa04e

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"logto","vendor":"logto-io","versions":[{"status":"affected","version":"< 1.41.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions

{"name":"https://github.com/logto-io/logto/commit/209fa0a5cbe8522f9cf31873239dc6424099bb5e","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/commit/209fa0a5cbe8522f9cf31873239dc6424099bb5e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/references/2

{"name":"https://github.com/logto-io/logto/pull/9008","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/pull/9008"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/references/1

{"name":"https://github.com/logto-io/logto/releases/tag/v1.41.0","tags":["x_refsource_MISC"],"url":"https://github.com/logto-io/logto/releases/tag/v1.41.0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /containers/cna/references/3

{"name":"https://github.com/logto-io/logto/security/advisories/GHSA-cpm5-w86q-w85f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/logto-io/logto/security/advisories/GHSA-cpm5-w86q-w85f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:513782b003301158d9fda26d9020d098a9202aec499d75647e9aee81ba7ca872 · sha256:eafe92738d0d0bd1… · /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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