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Invalid HTTP requests in Reactor Netty HTTP Server may reveal access tokens

Moderate severity GitHub Reviewed Published Oct 20, 2022 to the GitHub Advisory Database • Updated May 9, 2025

Package

maven io.projectreactor.netty:reactor-netty-http (Maven)

Affected versions

>= 1.0.11, < 1.0.24

Patched versions

1.0.24

Description

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may request log headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

References

Published by the National Vulnerability Database Oct 19, 2022
Published to the GitHub Advisory Database Oct 20, 2022
Reviewed Oct 20, 2022
Last updated May 9, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(42nd percentile)

Weaknesses

CVE ID

CVE-2022-31684

GHSA ID

GHSA-7w4x-4h67-pgmv

Source code

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