CVE-2026-89042

passport-saml-encrypted through 0.1.13 Authentication Bypass via Missing Signature Verification

Published Sep 10, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
passport-saml-encrypted through 0.1.13 makes SAML signature verification conditional on an optional cert option, allowing attackers to bypass authentication by submitting unsigned SAML responses. Attackers can post forged SAML responses with arbitrary NameID and attributes to the assertion consumer service endpoint to receive authenticated profiles without valid signatures.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Krakenjs
Krakenjs passport-saml-encrypted
Vendors & Products Krakenjs
Krakenjs passport-saml-encrypted
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description passport-saml-encrypted through 0.1.13 makes SAML signature verification conditional on an optional cert option, allowing attackers to bypass authentication by submitting unsigned SAML responses. Attackers can post forged SAML responses with arbitrary NameID and attributes to the assertion consumer service endpoint to receive authenticated profiles without valid signatures.
Title passport-saml-encrypted through 0.1.13 Authentication Bypass via Missing Signature Verification
Weaknesses CWE-347
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 11, 2026, 8:32 PM
Reserved
Sep 10, 2026, 4:45 PM
Status
Deferred
Published
Sep 10, 2026, 6:18 PM
Modified
Sep 11, 2026, 9:17 PM