CVE-2025-22227

CVE-2025-22227: Authentication Leak On Redirect With Reactor Netty HTTP Client

MEDIUM

6.1

CVSS Score

Published: July 16, 2025 at 09:31 AM UTC

Updated: June 17, 2026 at 08:45 AM UTC

1 product affected across 1 vendorReactor Netty

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Severity

MEDIUM6.1

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Reactor Netty · Broadcom

60%

1.0.x ≤ v < 1.0.49 (Reactor BOM 2020.0.48)1.1.x ≤ v < 1.1.32 (Reactor BOM 2022.0.27 and 2023.0.20)1.2.x ≤ v < 1.2.8 (Reactor BOM 2024.0.8)1.3.x ≤ v < 1.3.0-M5 (Reactor BOM 2025.0.0-M5)1.0.x 1.1.x 1.2.x 1.3.x

Affected range stops below 1.0.49 (Reactor BOM 2020.0.48), so it looks safe — our inference, not a vendor statement

Affected range stops below 1.1.32 (Reactor BOM 2022.0.27 and 2023.0.20), so it looks safe — our inference, not a vendor statement

Affected range stops below 1.2.8 (Reactor BOM 2024.0.8), so it looks safe — our inference, not a vendor statement

Affected range stops below 1.3.0-M5 (Reactor BOM 2025.0.0-M5), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://spring.io/security/cve-2025-22227

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMvmware

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-200

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