CVE-2026-55203

HAProxy through 3.4.0, fixed in commit 5985276, contains an integer overflow vulnerability in the fcgiconn structure's drl field that allows buffer misparse as new FCGI record headers. When contentLength is 65535 and paddingLength is 1 or more, the drl field wraps to 0, causing incorrect record...

@aegis-scan/core (>=0.18.1, <=0.19.0), @aegis-scan/reporters (>=0.18.4, <=0.19.0) +437 more potentially affected by CVE-2026-9697 via undici (>=7.24.0, <=7.27.2)

undici NPM version =7.24.0, =0.18.1, =0.18.4, =0.18.4, =0.1.0, =0.1.8, =0.1.7, =21.2.4, =21.2.4, =0.1.0, =0.18.0, =0.1.0, =0.4.0, =0.1.0, =0.0.1, =0.1.2 and more Source cves: CVE-2026-9697 Source advisory: OSV:GHSA-VMH5-MC38-953G...

@0xwork/connect (>=0.1.0, <=0.1.9), @a5c-ai/agent-platform (>=5.0.1-staging.19033314d476, <=5.0.1-staging.e195a4980892) +426 more potentially affected by CVE-2026-9678 via undici (>=8.0.0, <=8.4.1)

undici NPM version =8.0.0, =0.1.0, =5.0.1-staging.19033314d476, =5.0.1-staging.19033314d476, =5.1.1-staging.00ceebd28cf2, =5.1.1-staging.00ceebd28cf2, =5.0.1-staging.19033314d476, =5.0.1-staging.3abdf9534c25, =2026.6.2, =1.0.0, =0.6.10, =0.3.1, =2026.4.23-zh, =0.2.0, =0.17.0 and more Source cves:...

CVE-2026-48979

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

CVE-2026-48979

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

CVE-2026-48979 PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

CVE-2026-48979 PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

CVE-2026-48979 PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

CVE-2026-48979

The CVE concerns PHP PSL versions 6.1.0, 6.1.1, and 6.2.0 where Psl\H2\ServerConnection fails to validate that the DATA frame length matches the content-length declared in the HEADERS frame, enabling HTTP request smuggling. This affects clients using Psl\H2\ServerConnection directly to process un...

CVE-2026-54388 Tinyproxy - HTTP Request Smuggling via Duplicate Content-Length Headers

Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate headers to the backend while using the first value to determine how many request body bytes to consume. Remote attackers can...

CVE-2026-54388 Tinyproxy - HTTP Request Smuggling via Duplicate Content-Length Headers

Tinyproxy through 1.11.3, fixed in commit 364cdb6, fails to reject requests containing multiple Content-Length headers with differing values, forwarding all duplicate headers to the backend while using the first value to determine how many request body bytes to consume. Remote attackers can...

CVE-2026-54387 Tinyproxy - HTTP Request Smuggling via CL/TE Desynchronization

Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Remote attackers can desynchronize the...

CVE-2026-54387 Tinyproxy - HTTP Request Smuggling via CL/TE Desynchronization

Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Remote attackers can desynchronize the...

CVE-2026-54387

CVE-2026-54387 affects Tinyproxy up to version 1.11.3. It fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to consume the request body. This desynchronizes frontend/backend parsers and can enab...

CVE-2026-54387 Tinyproxy - HTTP Request Smuggling via CL/TE Desynchronization

Tinyproxy through 1.11.3, fixed in commit ff45d3b, fails to reconcile conflicting Content-Length and Transfer-Encoding: chunked headers, forwarding both verbatim to the backend while using Content-Length to determine how many request body bytes to consume. Remote attackers can desynchronize the...

org.webjars.npm:actions__core (>=1.10.0, <=1.11.1), org.webjars.npm:actions__http-client (>=2.2.1, <=2.2.3) +14 more potentially affected by CVE-2026-6733 via org.webjars.npm:undici (>=4.12.2, <=5.29.0)

org.webjars.npm:undici MAVEN version =4.12.2, =1.10.0, =2.2.1, =0.1.16, =0.1.28 - org.webjars.npm:elasticelasticsearch 8.6.0 - org.webjars.npm:elastictransport 8.3.1 - org.webjars.npm:firebase 10.13.0 - org.webjars.npm:firebaseauth 1.7.7 - org.webjars.npm:firebaseauth-compat 0.5.12 -...

@aegis-scan/core (>=0.18.1, <=0.19.0), @aegis-scan/reporters (>=0.18.4, <=0.19.0) +437 more potentially affected by CVE-2026-6734 via undici (>=7.24.0, <=7.27.2)

undici NPM version =7.24.0, =0.18.1, =0.18.4, =0.18.4, =0.1.0, =0.1.8, =0.1.7, =21.2.4, =21.2.4, =0.1.0, =0.18.0, =0.1.0, =0.4.0, =0.1.0, =0.0.1, =0.1.2 and more Source cves: CVE-2026-6734 Source advisory: SNYK:JS-UNDICI-17372667...

CVE-2026-48979: Inconsistent Interpretation of HTTP Requests

PHP Standard Library PSL is set of APIs covering async, collections, networking, I/O, cryptography, terminal UI, etc. In versions 6.1.0, 6.1.1 and 6.2.0, the Psl\H2\ServerConnection does not validate that the total bytes received in DATA frames match the content-length header declared in the...

PT-2026-50544

Name of the Vulnerable Software and Affected Versions PHP Standard Library PSL versions 6.1.0 through 6.1.1 PHP Standard Library PSL version 6.2.0 Description The PslH2ServerConnection function does not validate that the total bytes received in DATA frames match the content-length header declared...

HTTP Request Smuggling

Netty is vulnerable to HTTP Request Smuggling. The vulnerability is due to HttpObjectDecoder improperly ignoring non-CRLF control characters before the request line, which allows an attacker to create request-boundary confusion between front-end and back-end components and potentially smuggle...