Quick answers
- Is CVE-2026-59666 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-59666 being exploited in the wild.
- How severe is CVE-2026-59666?
- Informational severity, published 2 October 2026.
- Which products and versions are affected?
- Repasat before April 2026 patch (20260402).
- Is there a fix for CVE-2026-59666?
- Yes: fixed in April patch version 20260402. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-59666 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-59666?
- Check whether you run Repasat at an affected version. 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.
How to fix
- Fixed in: April patch version 20260402
Technical details
Fifteen separate cross-site scripting vulnerabilities exist in various endpoints and parameters of the Repasat application, all classified as CWE-79. Exploitation requires network access, authenticated user session, and user interaction (clicking a malicious link). Successful exploitation allows arbitrary JavaScript execution in the victim's browser with the privileges of the authenticated user.
Affected products
- Repasat Repasat before April 2026 patch (20260402)
Timeline
- 2026-10-02: disclosed