CVE-2025-22227 json
CVE-2025-22227: Authentication Leak On Redirect With Reactor Netty HTTP Client
published 2025-07-16 15 mo ago modified 2026-09-10 1 mo ago also GHSA-4q2v-9p7v-3v22 , EUVD-2025-21595
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
In some specific scenarios with chained redirects, Reactor Netty HTTP client leaks credentials. In order for this to happen, the HTTP client must have been explicitly configured to follow redirects.
Patch / fix
- maven io.projectreactor.netty:reactor-netty-http 1.2.8, 1.3.0-M5
- VMware Reactor Netty 1.0.49 (Reactor BOM 2020.0.48), 1.1.32 (Reactor BOM 2022.0.27 and 2023.0.20), 1.2.8 (Reactor BOM 2024.0.8), 1.3.0-M5 (Reactor BOM 2025.0.0-M5)
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2025-22227 updated cvss 6.1
io.projectreactor.netty/reactor-netty: Reactor Netty Credential Leak via Redirects
-
Red Hat build of Apache Camel for Spring Boot 4 reactor-netty Red Hat Fuse 7 reactor-netty Red Hat JBoss Enterprise Application Platform 7 reactor-netty Red Hat JBoss Enterprise Application Platform 8 reactor-netty Red Hat JBoss Enterprise Application Platform Expansion Pack reactor-nettyaffected: workaround, no fix available “Fix deferred”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 15 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | io.projectreactor.netty:reactor-netty-http | >=1.3.0-M1, <1.3.0-M5 <1.2.8 |
1.3.0-M5 1.2.8 |
Affected products
- VMware Reactor Netty
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
Sources
- CVE List CVE-2025-22227
- GitHub Advisory GHSA-4q2v-9p7v-3v22
- NVD CVE-2025-22227
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