CVE-2026-15615

UNKNOWN 0.0

SAML <Conditions> element not validated

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Logto omits validation of the SAML <Conditions> element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely.

Vendor	logto
Product	logto
Published	Jul 23, 2026

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Affected Versions

Logto / Logto

1.12.0 ≤ 1.37.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/sso/SamlConnector/utils.ts#L175-L205 github.com: https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/connectors/connector-saml/src/utils.ts#L46-L110