# CVE-2026-11753: CVE-2026-11753

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

A vulnerability has been identified in armeria-saml versions prior to 1.41.1, where attacker-controlled RelayState is reflected into the HTTP Location header after successful authentication, allowing an unvalidated redirect to an attacker-controlled URL.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- LY Corporation / Armeria: ≥ 1.41.1; < * (unaffected, custom). Source: CNA: LY-Corporation

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: LY-Corporation

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-601

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://line.github.io/security-advisory-blog/CVE-2026-11753/ (CNA: LY-Corporation)

- https://github.com/line/armeria/security/advisories/GHSA-89cp-657f-wp7v (CNA: LY-Corporation)

## Provenance

- CNA: LY-Corporation: https://www.cve.org/CVERecord?id=CVE-2026-11753; retrieved 2026-11-04; source updated 2026-11-04

Revision: 11491039acf6215a8113e4bf4c52c0975ce8a4c44ef09f39412a767a6441f8e0

Canonical: https://y2.dev/cve/CVE-2026-11753

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