Guzzle: Proxy-Authorization headers can be sent to origin servers

Impact In affected versions, the built-in cURL handlers CurlHandler and CurlMultiHandler put every first-class request header in cURL's origin header list CURLOPTHTTPHEADER. These handlers are the default when the PHP cURL extension is available. They move Proxy-Authorization to the proxy-only li...

CVE-2025-66029 Open OnDemand affected by Apache proxy passing sensitive headers

Open OnDemand provides remote web access to supercomputers. In versions 4.0.8 and prior, the Apache proxy allows sensitive headers to be passed to origin servers. This means malicious users can create an origin server on a compute node that record these headers when unsuspecting users connect to...

CVE-2025-66029 Open OnDemand affected by Apache proxy passing sensitive headers

Open OnDemand provides remote web access to supercomputers. In versions 4.0.8 and prior, the Apache proxy allows sensitive headers to be passed to origin servers. This means malicious users can create an origin server on a compute node that record these headers when unsuspecting users connect to...

CVE-2025-66029

Open OnDemand (prior to 4.1) is affected: the Apache proxy in 4.0.8 and earlier may pass sensitive headers to origin servers, enabling an attacker to set up an origin server on a compute node that records headers when users connect. A fix is expected in the 4.1 release; for 4.0.x workarounds exis...

EUVD-2015-4357

Malware in sbrugna...

Request Smuggling

Apache Traffic Server is vulnerable to Request Smuggling. The vulnerability is caused due to the server sending malformed HTTP chunked trailer section to origin servers...

Apache Traffic Server 8.x < 8.1.11 / 9.x < 9.2.5 Multiple Vulnerabilities

According to its self reported version, the remote Apache Traffic Server install is affected by multiple vulnerabilities. - Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the...

CVE-2023-38522

Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from...

CVE-2023-38522 Apache Traffic Server: Incomplete field name check allows request smuggling

Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from...

CVE-2023-38522 Apache Traffic Server: Incomplete field name check allows request smuggling

Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from...

CVE-2023-38522 Apache Traffic Server: Incomplete field name check allows request smuggling

Apache Traffic Server accepts characters that are not allowed for HTTP field names and forwards malformed requests to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from...

CVE-2024-35161 Apache Traffic Server: Incomplete check for chunked trailer section allows request smuggling

Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4...

CVE-2024-35161 Apache Traffic Server: Incomplete check for chunked trailer section allows request smuggling

Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4...

CVE-2024-35161

Apache Traffic Server is vulnerable to request smuggling because it fails to properly check malformed HTTP chunked trailer sections when forwarding them to origin servers. This flaw can also lead to cache poisoning if the origin servers are susceptible. The issue affects versions 8.0.0 through 8....

SUSE CVE-2011-1498

Apache HttpClient 4.x before 4.1.1 in Apache HttpComponents, when used with an authenticating proxy server, sends the Proxy-Authorization header to the origin server, which allows remote web servers to obtain sensitive information by logging this header...

USN-5090-4: Apache HTTP Server regression

USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. Original advisory details: James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote...

USN-5090-3: Apache HTTP Server regression

USN-5090-1 fixed vulnerabilities in Apache HTTP Server. One of the upstream fixes introduced a regression in UDS URIs. This update fixes the problem. Original advisory details: James Kettle discovered that the Apache HTTP Server HTTP/2 module incorrectly handled certain crafted methods. A remote...

Black Hat Presentation - Web Cache Entanglement

Overview Akamai is aware of the 'Web Cache Entanglement: Novel Pathways to Poisoning' presentation at BlackHat on August 5, 2020. Two security vulnerabilities related to our content delivery networks' caching functionality were presented as part of this research. Akamai would like to thank James...

Coalition, Inc.: Non-Cloudflare IPs allowed to access origin servers

Hello Security Team, Summary: Like report 255978 It is possible to access origin servers served by nginx and not cloudflare. Description: Even though these IP's don't serve a functional version of the app it is possible to enable DDoS attacks by bypassing cloudflare protections. Steps To Reproduc...

Unikrn: Non-Cloudflare IPs allowed to access origin servers

Summary: Non-Cloudflare IPs allowed to access origin servers Description: Your origin servers are not blocking access from non-Cloudflare servers. This way crawlers can find your origin servers' IPs by checking random IPs until they found your origin servers. What makes this especially easy are...