reactor/reactor-netty · Security
Reactor Netty HTTP Client Leaks Credentials On Protocol Downgrade Redirect
- GHSA ID
- GHSA-pfc9-2cqg-9wq6
- CVE ID
- CVE-2026-41715
- Severity
- medium
- Published
- Updated
- CVSS
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
In specific scenarios involving HTTP redirects from a secure to an insecure endpoint, the Reactor Netty HTTP client may leak credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.
Affected versions: Reactor Netty 1.0.0 through 1.0.51; 1.1.0 through 1.1.35; 1.2.0 through 1.2.17; 1.3.0 through 1.3.5.
CWEs
- CWE-522 · Insufficiently Protected Credentials
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-41715 ↗
- https://spring.io/security/cve-2026-41715 ↗
- https://github.com/reactor/reactor-netty/commit/e7ef551eead84ba465324531683fafa03ab96ee9 ↗
- https://github.com/reactor/reactor-netty/releases/tag/v1.2.18 ↗
- https://github.com/reactor/reactor-netty/releases/tag/v1.3.6 ↗
- https://github.com/advisories/GHSA-pfc9-2cqg-9wq6 ↗