CVE-2026-1561

IBM WebSphere Application Server Liberty Server-Side Request Forgery

At a glance

Severity: MEDIUM 5.4
EPSS: EPSS 0.31 % · percentile 23 (2026-10-27)
State: PUBLISHED
Published: 2026-03-25
Updated: 2026-03-26
Assigner: ibm
NVD status: Analyzed

Description

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty is vulnerable to server-side request forgery (SSRF). This may allow remote attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	ibm
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	NVD · psirt@us.ibm.com (Secondary)
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-918

European references

ENISA EUVD · EUVD-2026-15982
GCVE · GCVE-0-2026-1561

CERT-FR advisories

CERTFR-2026-AVI-1378 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-1206 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:* ≥ 17.0.0.3 < 26.0.0.4

Affected products

Product	Versions
IBM · WebSphere Application Server Liberty	affected 17.0.0.3 ≤ 26.0.0.3

References

https://www.ibm.com/support/pages/node/7267347

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD