CVE search · CVE-2026-59903
CVE-2026-59903
high 7.5
Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse authenticated responses across users and disclose sensitive information. This issue is fixed in versions 4.1.137.Final and 4.2.17.Final.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- security-advisories@github.com
- Weakness
- CWE-524
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | medium 6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
security-advisories@github.comSecondary |
| CVSS 3.1 | high 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
nvd@nist.govPrimary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- netty · netty
References
- https://github.com/netty/netty/pull/17213Issue TrackingPatch
- https://github.com/netty/netty/pull/17217Issue TrackingPatch
- https://github.com/netty/netty/releases/tag/netty-4.1.137.FinalRelease Notes
- https://github.com/netty/netty/releases/tag/netty-4.2.17.FinalRelease Notes
- https://github.com/netty/netty/security/advisories/GHSA-8c42-7qj2-3j46Vendor Advisory