Sensitive Cookie with Improper SameSite Attribute Affecting org.asynchttpclient:async-http-client package, versions [2.0.0,2.16.1)[3.0.0,3.0.13)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.26% (17th percentile)

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  • Snyk IDSNYK-JAVA-ORGASYNCHTTPCLIENT-20571500
  • published8 Oct 2026
  • disclosed7 Oct 2026
  • creditUnknown

Introduced: 7 Oct 2026

NewCVE-2026-107280  (opens in a new tab)
CWE-1275  (opens in a new tab)

How to fix?

Upgrade org.asynchttpclient:async-http-client to version 2.16.1, 3.0.13 or higher.

Overview

org.asynchttpclient:async-http-client is a maven plugin for the Async Http Client (AHC) classes.

Affected versions of this package are vulnerable to Sensitive Cookie with Improper SameSite Attribute via improper validation of the Domain attribute in the cookie handling process. An attacker can inject or overwrite session-relevant cookie values across unrelated origins by setting a cookie for a public suffix, causing the shared cookie store to send it to multiple hosts.

CVSS Base Scores

version 4.0
version 3.1