Replay Attack Affecting org.http4s:http4s-server_3 package, versions [,0.23.35)[1.0.0-M1,1.0.0-M47)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGHTTP4S-19859839
- published16 Sept 2026
- disclosed15 Sept 2026
- creditUnknown
Introduced: 15 Sep 2026
NewCVE-2026-69206 (opens in a new tab)How to fix?
Upgrade org.http4s:http4s-server_3 to version 0.23.35, 1.0.0-M47 or higher.
Overview
Affected versions of this package are vulnerable to Replay Attack through improper handling of the DigestAuth process. An attacker can execute authenticated requests as another user by replaying a previously captured Authorization header.
Workaround
Users that are not able to upgrade to the fixed version are advised to deploy over TLS so requests cannot be captured.