Quick answers
- Is CVE-2026-5430 exploited in the wild?
- Yes. CVE-2026-5430 is known to be exploited in the wild, first recorded on 24 September 2026. Treat it as urgent.
- How severe is CVE-2026-5430?
- Critical severity, with a CVSS score of 10, published 6 August 2026.
- Which products and versions are affected?
- WSO2 Multiple Products.
- Is there a fix for CVE-2026-5430?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-5430 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-5430?
- Check whether you run Wso2 API Control Plane, Wso2 API Manager, Wso2 API Microgateway or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
CVE-2026-5430 is a path traversal vulnerability in WSO2 Multiple Products that allows attackers to access files and directories outside the intended root directory through improper input validation. The vulnerability is remotely exploitable and does not require authentication. Attackers can leverage this flaw to read sensitive configuration files, credentials, and application data. CISA has added this vulnerability to the Known Exploited Vulnerabilities Catalog based on confirmed evidence of active exploitation in the wild. Federal agencies and all organizations are urged to prioritize patching this vulnerability on publicly exposed assets.
Affected products
- WSO2 Multiple Products
Timeline
- 2026-09-24: kev added: CISA adds CVE-2026-5430 to Known Exploited Vulnerabilities Catalog