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Github Security Blog
Github Security Blog
•added 2026/05/18 4:42 p.m.•32 views

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...

7.4CVSS5.8AI score0.00461EPSS
SaveExploits1References5Affected Software1
Positive Technologies
Positive Technologies
•added 2026/05/18 12:00 a.m.•32 views

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...

7.4CVSS5.4AI score0.00461EPSS
SaveExploits1References11
Circl
Circl
•added 2026/05/12 9:02 p.m.•23 views

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...

7.4CVSS5.3AI score0.00461EPSS
SaveExploits1References2
IBM Security Bulletins
IBM Security Bulletins
•added 2026/04/22 2:51 p.m.•13 views

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...

6.8CVSS6AI score0.00481EPSS
SaveExploits0Affected Software1
OSV
OSV
•added 2026/04/18 2:16 a.m.•15 views

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...

6.8CVSS6AI score0.00481EPSS
SaveExploits0References3
CNNVD
CNNVD
•added 2026/04/18 12:00 a.m.•24 views

Async Http Client 安全漏洞

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...

6.8CVSS5.8AI score0.00481EPSS
SaveExploits0References1
EUVD
EUVD
•added 2025/10/07 12:30 a.m.•15 views

EUVD-2018-0557

Malware in sbrugna...

7.5CVSS7.6AI score0.03046EPSS
SaveExploits0References58
EUVD
EUVD
•added 2025/10/03 8:07 p.m.•20 views

EUVD-2023-1887

Malicious code in bioql PyPI...

7.5CVSS7.4AI score0.00549EPSS
SaveExploits0References8
EUVD
EUVD
•added 2025/10/03 8:07 p.m.•19 views

EUVD-2022-3182

Malicious code in bioql PyPI...

4.3CVSS7.4AI score0.00993EPSS
SaveExploits0References21
RedhatCVE
RedhatCVE
•added 2025/05/23 5:41 a.m.•12 views

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...

7.5CVSS7.1AI score0.00549EPSS
SaveExploits0References1
IBM Security Bulletins
IBM Security Bulletins
•added 2025/01/30 11:04 a.m.•14 views

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...

7.5CVSS6.5AI score0.03046EPSS
SaveExploits0Affected Software1
BDU FSTEC
BDU FSTEC
•added 2024/12/24 12:00 a.m.•26 views

The vulnerability of the RequestBuilder class in the CookieStore interface of the asynchronous HTTP request processing library Async Http Client allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the RequestBuilder class in the CookieStore interface of the asynchronous HTTP request processing library Async Http Client is related to the replacement of cookie files due to incorrect authentication procedures. Exploiting this vulnerability can allow an attacker operating...

8.1CVSS7.4AI score0.00643EPSS
SaveExploits0References5Affected Software1
OSV
OSV
•added 2024/12/02 6:15 p.m.•11 views

UBUNTU-CVE-2024-53990

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. When making any HTTP request, the automatically enabled and self-managed CookieStore aka cookie jar will silently replace explicitly defined Cookies with any that ha...

9.2CVSS5.9AI score0.00643EPSS
SaveExploits0References4
CNNVD
CNNVD
•added 2024/12/02 12:00 a.m.•28 views

Async Http Client 授权问题漏洞

Async Http Client is AsyncHttpClient open source asynchronous Http and WebSocket client library for Java. An authorization issue vulnerability exists in Async Http Client version 3.0.0, which stems from an automatically enabled and self-managed CookieStore handling mechanism that can lead to...

9.2CVSS7.9AI score0.00643EPSS
SaveExploits0References2
IBM Security Bulletins
IBM Security Bulletins
•added 2024/09/25 7:02 p.m.•24 views

Security Bulletin: Vulnerability in Async Http Client affects IBM watsonx.data

Summary Async Http Client aka async-http-client could allow a remote attacker to bypass security restrictions, caused by the failure to parse the fragment identifier of the URL when handling '?' character. By using a specially-crafted URL with '?' character, an attacker could exploit this...

7.5CVSS7.5AI score0.03046EPSS
SaveExploits0Affected Software1
IBM Security Bulletins
IBM Security Bulletins
•added 2024/09/25 6:54 p.m.•33 views

Security Bulletin: Vulnerability in Async Http Client affects IBM watsonx.data

Summary Async Http Client aka async-http-client could allow a remote attacker to bypass security restrictions, caused by the failure to parse the fragment identifier of the URL when handling '?' character. By using a specially-crafted URL with '?' character, an attacker could exploit this...

7.5CVSS7.5AI score0.03046EPSS
SaveExploits0Affected Software1
Rapid7 Vulnerability Database (full)
Rapid7 Vulnerability Database (full)
•added 2024/06/04 12:00 a.m.•0 views

CVE-2024-34364: Uncontrolled Resource Consumption

Envoy is a cloud-native, open source edge and service proxy. Envoy exposed an out-of-memory OOM vector from the mirror response, since async HTTP client will buffer the response with an unbounded buffer...

6.5CVSS6.7AI score0.00471EPSS
SaveExploits1References1
Github Security Blog
Github Security Blog
•added 2023/06/07 3:52 p.m.•44 views

Async HTTP Client has CRLF Injection vulnerability in HTTP request headers

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...

7.5CVSS7.3AI score0.00549EPSS
SaveExploits0References8Affected Software1
OSV
OSV
•added 2023/06/07 3:52 p.m.•103 views

GHSA-V3R5-PJPM-MWGQ Async HTTP Client has CRLF Injection vulnerability in HTTP request headers

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...

7.5CVSS7.6AI score0.00549EPSS
SaveExploits0References8
GitLab Advisory Database
GitLab Advisory Database
•added 2023/06/07 12:00 a.m.•79 views

Async HTTP Client has CRLF Injection vulnerability in HTTP request headers

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...

7.5CVSS7AI score0.00549EPSS
SaveExploits0References9Affected Software1
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