CVE record · CVE-2026-0637

Header Injection via Custom URL Configuration in Multiple WSO2 Products Allows Open Redirect and Log Forgery

CVSS 5.4 MediumEPSS 0.0019 · 9th percentile

Published by the CVE Program (CNA: WSO2) at 6 Aug 2026, 07:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
WSO2	WSO2 API Manager	unknown before 3.2.0 custom affected 3.2.0 to before 3.2.0.464 custom affected 3.2.1 to before 3.2.1.83 custom affected 4.1.0 to before 4.1.0.249 custom affected 4.2.0 to before 4.2.0.189 custom affected 4.3.0 to before 4.3.0.99 custom affected 4.4.0 to before 4.4.0.63 custom affected 4.5.0 to before 4.5.0.44 custom affected 4.6.0 to before 4.6.0.12 custom Other versions: unaffected
WSO2	WSO2 API Control Plane	unknown before 4.5.0 custom affected 4.5.0 to before 4.5.0.45 custom affected 4.6.0 to before 4.6.0.13 custom Other versions: unaffected

Identifiers: CVE-2026-0637
CNA: WSO2
Weakness (CWE): CWE-20 · CWE-74
Tags: WSO2 API Manager
WSO2 API Control Plane
Other injection
CWE-20
Published: 6 Aug 2026
Updated: 4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N	CNA (WSO2)

CISA KEV Not listed.
EPSS 0.0019, the 9th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

6 Aug 2026, 07:33 UTC Confirmed by the CVE List
6 Aug 2026, 08:16 UTC Confirmed by NVD

Sources

References from the CNA

security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4829/ vendor-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.