eml_parser vulnerable to DoS via deeply nested parens in Received headers

Summaryemlparser strips parenthesised CFWS comments from Received: headers using a regex-based fix-point loop. The loop has quadratic time complexity in the number of nested parens. A single Received: header containing 5,000 nested parens causes 1.3 seconds of CPU saturation per parsed message;...

PYSEC-2026-3833 eml_parser has parser DoS via deeply nested parentheses in e-mail headers

Summary emlparser uses the email.utils.getaddresses function from the CPython standard library to parse e-mail headers that contain e-mail addresses such as To, Cc, Bcc, From, Reply-To, Sender, .... When the input header contains a deeply nested CFWS comment / folding white space construct, the...

django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

SummaryThe CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless of...

PYSEC-2026-3824 django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

Summary The CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless o...

kernel: net: pull headers in qdisc_pkt_len_segs_init()

A flaw was found in the Linux kernel's handling of Generic Segmentation Offload GSO packet headers. This vulnerability occurs when the qdiscpktlensegsinit function does not properly pull headers into the expected memory location, which can lead to incorrect processing by network drivers. A remote...

httpd: incomplete fix for CVE-2023-38709

A flaw was found in httpd. The response headers are not sanitized before an HTTP response is sent when a malicious backend can insert a Content-Type, Content-Encoding, or some other headers. These issues lead to HTTP response splitting. This CVE provides a "complete" fix for CVE-2023-38709...

CVE-2026-88013: Exposure of Sensitive Information to an Unauthorized Actor

rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows...

GHSA-V25G-MVWR-F5FP webhookd: Unrestricted HTTP Header to Shell Variable Injection

Description Before 1.22, if the Basic Auth htpasswd middleware was not configured, all incoming HTTP headers were blindly forwarded to the webhook script execution environment as shell variables. While the Basic Auth middleware correctly strips the authentication header X-WebAuthn-User from the...

webhookd: Unrestricted HTTP Header to Shell Variable Injection

Description Before 1.22, if the Basic Auth htpasswd middleware was not configured, all incoming HTTP headers were blindly forwarded to the webhook script execution environment as shell variables. While the Basic Auth middleware correctly strips the authentication header X-WebAuthn-User from the...

golang: net/http: net/http: sensitive headers incorrectly sent after cross-domain redirect

A flaw was found in the net/http package of the Golang standard library. The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to a.com/ containing an Authorization header redirected to b.com/ will not send that header to b.com. However, the...

WordPress HTTP Headers plugin <= 1.19.2 - Authenticated (Administrator+) External Control of File Name or Path to RCE vulnerability

Authenticated Administrator+ External Control of File Name or Path to RCE vulnerability discovered by Chiao-Lin Yu Steven Meow - Trend Micro in WordPress Plugin HTTP Headers versions = 1.19.2...

RLSA-2026:65116 Important: opentelemetry-collector security update

Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fixes: net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via crafted email inputs...

Denial-Of-Service (DoS)

io.micrometer, micrometer-tracing-bridge-brave is vulnerable to a denial-of-service DoS. The vulnerability is due to improper handling of incoming baggage headers, which allows an attacker to send specially crafted or excessive baggage data that causes unbounded object allocation, potentially...

CVE-2026-16272 Client IP Spoofing via Untrusted HTTP Headers in PayTR's PayTR Virtual Pos iFrame API WHMCS Module

Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects PayTR Virtual Pos iFrame API WHMCS Module: from v9.0.0 before v9.0.3...

CVE-2026-16272

PayTR Virtual Pos iFrame API (v9x) WHMCS Module (versions v9.0.0 through before v9.0.3) is affected by a client IP spoofing vulnerability caused by use of less trusted source —specifically, untrusted HTTP headers are relied upon for identifying the client IP, allowing exploitation of trusted iden...

CVE-2026-16272 Client IP Spoofing via Untrusted HTTP Headers in PayTR's PayTR Virtual Pos iFrame API WHMCS Module

Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. PayTR Virtual Pos iFrame API WHMCS Module allows Exploitation of Trusted Identifiers. This issue affects PayTR Virtual Pos iFrame API WHMCS Module: from v9.0.0 before v9.0.3...

Improper Handling Of Untrusted Message Headers

Spring Integration is vulnerable to improper handling of untrusted message headers. The vulnerability is due to the EmbeddedHeadersJsonMessageMapper deserializing embedded JSON headers into a Map and creating message headers without sanitizing or filtering untrusted header names by default, which...

CVE-2026-73276

A flaw was found in the Erlang/OTP inets httpd server. This vulnerability allows a remote attacker to perform HTTP Request Smuggling due to the server silently dropping HTTP headers that contain whitespace between the header field-name and the colon. When deployed behind a reverse proxy that...

openSUSE 16 Security Update : google-cloud-sap-agent (openSUSE-SU-2026:21755-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:21755-1 advisory. This update for google-cloud-sap-agent fixes the following issue: - CVE-2026-41178: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers...

morgan vulnerable to Log Forging via unescaped Unicode line separators

Impact Morgan writes attacker-controlled request data to the access log through its tokens. The 1.11.0 fix neutralizes C0 control characters, DEL, and backslash, but it does not escape the Unicode line separators U+0085 NEL, U+2028 LINE SEPARATOR, or U+2029 PARAGRAPH SEPARATOR. These code points...