undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers

A flaw was found in undici, a Node.js HTTP/1.1 client. A remote attacker could exploit this vulnerability by sending HTTP/1.1 requests that include duplicate Content-Length headers with different casing e.g., "Content-Length" and "content-length". This can lead to HTTP Request Smuggling, a...

Important: Red Hat Security Advisory: nodejs:22 security update

An update for the nodejs:22 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

A flaw was found in nghttp2. Due to missing internal state validation, the library continues to process incoming data even after a session has been terminated. A remote attacker could exploit this by sending a specially crafted HTTP/2 frame, leading to an assertion failure and a denial of service...

ruby: HTTP response splitting in WEBrick

Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header, an attacker can exploit it to insert a newline character to split a header, and inject malicious content to deceive clients...

ruby: Potential HTTP request smuggling in WEBrick

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy which also has a po...

ruby: Potential HTTP request smuggling in WEBrick

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy which also has a po...

CLSA-2026-1775734284 Fix CVE(s): CVE-2026-32748, CVE-2026-33526

SECURITY UPDATE: denial of service via use-after-free in ICP - debian/patches/CVE-2026-33526.patch: remove duplicate rfc1738escape call in icpGetRequest that invalidated the previously escaped URL pointer - CVE-2026-33526 SECURITY UPDATE: denial of service via use-after-free in ICP request handli...

golang.org/net/http: Lack of limit when parsing cookies can cause memory exhaustion in net/http

A flaw was found in golang.org/net/http. A remote attacker could exploit this vulnerability by sending a large number of small cookies to an HTTP server. Despite a default 1MB limit on HTTP headers, the number of cookies parsed is unrestricted, leading to excessive memory allocation. This can cau...

golang.org/x/net/http2: golang.org/x/net/http2: Denial of Service due to malformed HTTP/2 frames

A flaw was found in golang.org/x/net/http2. A remote attacker can exploit this vulnerability by sending specially crafted HTTP/2 frames, which are data packets used in the HTTP/2 protocol. Due to a missing check for null values, processing these specific frames types 0x0a through 0x0f can cause t...

html/template: URLs in meta content attribute actions are not escaped in html/template

An input escaping flaw has been discovered in the golang html/template module. Actions which insert URLs into the content attribute of HTML meta tags are not escaped. This can allow XSS if the meta tag also has an http-equiv attribute with the value "refresh". A new GODEBUG setting has been added...

openssl: Out-of-bounds read in HTTP client no_proxy handling

A flaw was found in the OpenSSL HTTP client API noproxy handling. This vulnerability allows an application level denial of service application crash via an attacker-controlled IPv6 URL when the noproxy environment variable is set...

CVE-2026-5849

A vulnerability was determined in Tenda i12 1.0.0.113862. The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized...

CVE-2026-5849 Tenda i12 HTTP path traversal

A vulnerability was determined in Tenda i12 1.0.0.113862. The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized...

CVE-2026-5841

A weakness has been identified in Tenda i3 1.0.0.62204. The affected element is the function R7WebsSecurityHandler of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack can be executed remotely. The exploit has been made available to the public and could b...

GHSA-CRH9-3GJH-M6GC api-lab-mcp vulnerable to SSRF

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...

api-lab-mcp vulnerable to SSRF

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...

CVE-2026-5832

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...

CVE-2026-5832 atototo api-lab-mcp HTTP http-server.ts test_http_endpoint server-side request forgery

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...

CVE-2026-5832 atototo api-lab-mcp HTTP http-server.ts test_http_endpoint server-side request forgery

A weakness has been identified in atototo api-lab-mcp up to 0.2.1. This affects the function analyzeapispec/generatetestscenarios/testhttpendpoint of the file src/mcp/http-server.ts of the component HTTP Interface. This manipulation of the argument source/url causes server-side request forgery. T...

CVE-2026-5832

Affects atototo api-lab-mcp up to 0.2.1. The vulnerability resides in src/mcp/http-server.ts (function analyze_api_spec/generate_test_scenarios/test_http_endpoint) and stems from manipulating the argument source/url, enabling server-side request forgery. Exploitation is possible remotely, and the...