Security Bulletin: DevOps Test Performance / Rational Performance Tester contains a vulnerability related to use of the AsyncHttpClient (AHC) library

Summary Due to use of the AsyncHttpClient AHC library, DevOps Test Performance / Rational Performance Tester, contains a potential vulnerability exposing sensitive session cookies or other credentials. CVE-2026-45300 Vulnerability Details CVEID:CVE-2026-45300 DESCRIPTION: The AsyncHttpClient AHC...

Linux Distros Unpatched Vulnerability : CVE-2026-45300

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Versions on the 2.x branch...

UBUNTU-CVE-2026-45300

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Versions on the 2.x branch prior to 2.15.0 and the 3.x branch prior to 3.0.10 leak Cookie headers to cross-origin redirect targets. When following a redirect to a...

CVE-2026-45300 async-http-client: Cookie header not stripped on cross-origin redirect

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. Versions on the 2.x branch prior to 2.15.0 and the 3.x branch prior to 3.0.10 leak Cookie headers to cross-origin redirect targets. When following a redirect to a...

ai.evolv:ascend-sdk (0.5.0), ai.taskmonk:taskmonk-sdk (>=1.7, <=1.16.6) +2847 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=2.0.0, <=2.14.5)

org.asynchttpclient:async-http-client MAVEN version =2.0.0, =1.7, =4.1.0, =4.2.14, =4.1.0, =4.1.0, =4.1.0, =4.2.14, =3.5.5, =3.5.5, =3.5.5, =3.5.7-jre7.0 and more Source cves: CVE-2026-45300 Source advisory: MEND:CVE-2026-45300...

com.akamai.edgegrid:edgegrid-signer-async-http-client (>=6.0.1-rc.1, <=6.0.3), com.arpnetworking.metrics:mad-experimental (>=1.2.3, <=1.2.11) +80 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=3.0.0.beta1, <=3.0.9)

org.asynchttpclient:async-http-client MAVEN version =3.0.0.beta1, =6.0.1-rc.1, =1.2.3, =1.22.2, =1.13.6, =1.1.0, =0.4.7, =0.4.7, =0.4.7, =1.17.0, =1.17.0, =1.17.0, =0.5.0, =0.0.9, =2.7.3, =2.9.0 and more Source cves: CVE-2026-45300 Source advisory: OSV:GHSA-FMXF-PM6P-7XGM...

com.akamai.edgegrid:edgegrid-signer-async-http-client (>=6.0.1-rc.1, <=6.0.3), com.arpnetworking.metrics:mad-experimental (>=1.2.3, <=1.2.11) +80 more potentially affected by CVE-2026-45300 via org.asynchttpclient:async-http-client (>=3.0.0.beta1, <=3.0.9)

org.asynchttpclient:async-http-client MAVEN version =3.0.0.beta1, =6.0.1-rc.1, =1.2.3, =1.22.2, =1.13.6, =1.1.0, =0.4.7, =0.4.7, =0.4.7, =1.17.0, =1.17.0, =1.17.0, =0.5.0, =0.0.9, =2.7.3, =2.9.0 and more Source cves: CVE-2026-45300 Source advisory: GHSA-FMXF-PM6P-7XGM...

async-http-client: Cookie header not stripped on cross-origin redirect

Summary async-http-client leaks Cookie headers to cross-origin redirect targets. When following a redirect across a security boundary different origin, or HTTPS→HTTP downgrade, the propagatedHeaders method in Redirect30xInterceptor.java strips Authorization and Proxy-Authorization headers but doe...

PT-2026-41727

Name of the Vulnerable Software and Affected Versions async-http-client versions prior to 2.15.0 async-http-client versions prior to 3.0.10 Description An information disclosure issue exists where Cookie headers are leaked to cross-origin redirect targets. When following a redirect across a...

CVE-2026-45300

creationtimestamp| type| source ---|---|--- 2026-05-12 21:02:02+00:00| published-proof-of-concept| https://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-fmxf-pm6p-7xgm 2026-06-05 21:15:07+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mnl2nqfonh2z...

Security Bulletin: DevOps Test Performance contains a vulnerability related to use of AsyncHttpClient

Summary Due to use of AsyncHttpClient, DevOps Test Performance and Rational Performance Tester contain a potential vulnerability where Authorization/Proxy-Authorization headers are improperly leaked. Vulnerability Details CVEID:CVE-2026-40490 DESCRIPTION: The AsyncHttpClient AHC library allows Ja...

UBUNTU-CVE-2026-40490

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When redirect following is enabled followRedirecttrue, versions of AsyncHttpClient prior to 3.0.9 and 2.14.5 forward Authorization and Proxy-Authorization headers...

ai.evolv:ascend-sdk (0.5.0), ai.taskmonk:taskmonk-sdk (>=1.7, <=1.16.6) +2847 more potentially affected by CVE-2026-40490 via org.asynchttpclient:async-http-client (>=2.0.0, <=2.12.4)

org.asynchttpclient:async-http-client MAVEN version =2.0.0, =1.7, =4.1.0, =4.2.14, =4.1.0, =4.1.0, =4.1.0, =4.2.14, =3.5.5, =3.5.5, =3.5.5, =3.5.7-jre7.0 and more Source cves: CVE-2026-40490 Source advisory: MEND:CVE-2026-40490...

Async HTTP Client security vulnerabilities

Async Http Client is an open-source Java-based asynchronous HTTP and WebSocket client library developed by AsyncHttpClient. Versions prior to 3.0.9 and 2.14.5 of Async Http Client had security vulnerabilities. These vulnerabilities stemmed from the redirection process, where authorization headers...

PT-2025-48969

Name of the Vulnerable Software and Affected Versions Envoy versions 1.33.12 through 1.36.2 Description Envoy, a high-performance edge/middle/service proxy, experiences crashes when JWT authentication is configured with remote JWKS fetching enabled, allow missing or failed is set to true, multipl...

EUVD-2018-0557

Malware in sbrugna...

EUVD-2022-3182

Malicious code in bioql PyPI...

EUVD-2023-1887

Malicious code in bioql PyPI...

CVE-2023-0040

Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to the network. Users are vulnerable if they pass untrusted...

Security Bulletin: Vulnerabiity in Async Http Client affects watsonx.data

Summary Async Http Client aka async-http-client could allow a remote attacker to bypass security restrictions. This could affect watsonx.data. Vulnerability Details CVEID:CVE-2017-14063 DESCRIPTION: Async Http Client aka async-http-client could allow a remote attacker to bypass security...