Description
samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., <saml:AttributeValue>) are not escaped. A normal user can inject XML markup into an attribute value (e.g., email, name) and add new <saml:Attribute> elements inside the signed assertion. The IdP then signs the tampered assertion and the SP accepts the injected attributes as trusted. This allows privilege escalation when attributes are used for authorization (roles/groups). This issue has been patched in version 2.13.0.
Published: 2026-06-08
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-34r5-q4jw-r36m samlify: XML Injection in AttributeValue Allows Privilege Escalation in Signed SAML Assertions
History

Tue, 09 Jun 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Samlify Project
Samlify Project samlify
CPEs cpe:2.3:a:samlify_project:samlify:*:*:*:*:*:*:*:*
Vendors & Products Samlify Project
Samlify Project samlify
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Tue, 09 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Tngan
Tngan samlify
Vendors & Products Tngan
Tngan samlify

Mon, 08 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., <saml:AttributeValue>) are not escaped. A normal user can inject XML markup into an attribute value (e.g., email, name) and add new <saml:Attribute> elements inside the signed assertion. The IdP then signs the tampered assertion and the SP accepts the injected attributes as trusted. This allows privilege escalation when attributes are used for authorization (roles/groups). This issue has been patched in version 2.13.0.
Title samlify: XML Injection in AttributeValue Allows Privilege Escalation in Signed SAML Assertions
Weaknesses CWE-91
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Samlify Project Samlify
Tngan Samlify
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-09T15:13:53.540Z

Reserved: 2026-05-14T18:06:06.811Z

Link: CVE-2026-46490

cve-icon Vulnrichment

Updated: 2026-06-09T14:51:10.801Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-08T19:16:45.950

Modified: 2026-06-09T16:48:56.767

Link: CVE-2026-46490

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T08:56:36Z

Weaknesses