A vulnerability has been identified in armeria-saml prior to 1.41.1, where bearer assertions are not enforced for one-time use, allowing replay of previously consumed assertion IDs within their validity period.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction Passive

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00271.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
LY Corporation Armeria affected
Version Status Constraints
1.41.1 unaffected < *

No data.

No data.

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Vendors Products
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Armeria Subscribe

Project Subscriptions

Vendors Products
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Armeria Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/line/armeria/security/advisories/GHSA-v86g-h7gx-q845 cve-icon cve-icon
https://line.github.io/security-advisory-blog/CVE-2026-11749/ cve-icon cve-icon
History

Wed, 04 Nov 2026 11:15:00 +0000

Type Values Removed Values Added
Title Armeria SAML Replay Attack via Unrestricted Bearer Assertion Use
Weaknesses CWE-283

Wed, 04 Nov 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Ly Corporation
Ly Corporation armeria
Vendors & Products Ly Corporation
Ly Corporation armeria

Wed, 04 Nov 2026 05:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in armeria-saml prior to 1.41.1, where bearer assertions are not enforced for one-time use, allowing replay of previously consumed assertion IDs within their validity period.
References
Metrics cvssV4_0

{'score': 7.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: LY-Corporation

Published:

Updated: 2026-11-04T06:00:28.996Z

Reserved: 2026-06-09T06:50:04.956Z

Link: CVE-2026-11749

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-04T06:17:03.793

Modified: 2026-11-04T06:17:03.793

Link: CVE-2026-11749

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T10:30:10Z

Weaknesses