CVE-2026-15615 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Logto-io	Logto

No data.

No data.

References

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

History

Sun, 02 Aug 2026 16:00:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-284

Tue, 28 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Logto-io Logto-io logto
Vendors & Products		Logto-io Logto-io logto

Mon, 27 Jul 2026 16:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-345
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sun, 26 Jul 2026 04:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-284

Thu, 23 Jul 2026 21:45:00 +0000

Type	Values Removed	Values Added
Description		Logto omits validation of the SAML <Conditions> element, enabling attackers to strip time and audience restrictions and replay assertions indefinitely.
Title		SAML <Conditions> element not validated
References		https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/connectors/connector-saml/src/utils.ts#L46-L110 https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/sso/SamlConnector/utils.ts#L175-L205

MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-07-23T15:43:42.802Z

Updated: 2026-07-27T15:23:36.546Z

Reserved: 2026-07-13T16:14:15.128Z

Link: CVE-2026-15615

Vulnrichment

Updated: 2026-07-27T15:22:14.417Z

NVD

No data.

Redhat

No data.

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