PYSEC-2026-1975 Tornado has an HTTP cookie parsing DoS vulnerability

The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests. See...

CVE-2026-48588 Potential exposure of private data via cached Set-Cookie response

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

CVE-2026-48588

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

CVE-2026-48588

CVE-2026-48588 affects Django 6.0 before 6.0.7 and 5.2 before 5.2.16. The issue arises in UpdateCacheMiddleware and the cache_page() decorator, which cache responses that vary on cookies when unrelated cookies are present, allowing remote attackers to read private data from the shared cache. Earl...

CVE-2026-48588 Potential exposure of private data via cached Set-Cookie response

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

EUVD-2026-42043

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

CVE-2026-48588

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

MAL-2026-7247 Malicious code in cookie-parseflow (npm)

--- -= Per source details. Do not edit below this line.=-...

PYSEC-2026-1480 Cross site scripting (XSS) in JupyterHub via Self-XSS leveraged by Cookie Tossing

Impact Affected configurations: - Single-origin JupyterHub deployments - JupyterHub deployments with user-controlled applications running on subdomains or peer subdomains of either the Hub or a single-user server. By tricking a user into visiting a malicious subdomain, the attacker can achieve an...

PYSEC-2026-2063 yt-dlp Generic Extractor MITM Vulnerability via Arbitrary Proxy Injection

Impact The Generic Extractor in yt-dlp is vulnerable to an attacker setting an arbitrary proxy for a request to an arbitrary url, allowing the attacker to MITM the request made from yt-dlp's HTTP session. This could lead to cookie exfiltration in some cases. To pass extra control data between...

PYSEC-2026-2067 yt-dlp File Downloader cookie leak

Impact During file downloads, yt-dlp or the external downloaders that yt-dlp employs may leak cookies on HTTP redirects to a different host, or leak them when the host for download fragments differs from their parent manifest's host. This vulnerable behavior is present in all versions of...

PYSEC-2026-920 Sentry SDK leaks sensitive session information when `sendDefaultPII` is set to `True`

Impact When using the Django integration of the Sentry SDK in a specific configuration it is possible to leak sensitive cookies values, including the session cookie to Sentry. These sensitive cookies could then be used by someone with access to your Sentry issues to impersonate or escalate their...

PYSEC-2026-885 nsupdate.info has Sensitive Cookie Without 'HttpOnly' Flag

A vulnerability classified as problematic has been found in nsupdate.info. This affects an unknown part of the file src/nsupdate/settings/base.py of the component CSRF Cookie Handler. The manipulation of the argument CSRFCOOKIEHTTPONLY leads to cookie without httponly flag. It is possible to...

PYSEC-2026-905 Pyload contains Sensitive Cookie in HTTPS Session Without 'Secure' Attribute

Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in GitHub repository pyload/pyload prior to 0.5.0b3.dev32. The Secure attribute for sensitive cookies in HTTPS sessions is not set, which could cause the user agent to send those cookies in plaintext over an HTTP session. This issue is...

PYSEC-2026-818 Graphite Web Cross-site Scripting vulnerability

A vulnerability has been found in Graphite Web and classified as problematic. This vulnerability affects unknown code of the component Cookie Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used...

CVE-2026-8924

A flaw was found in curl's cookie parsing logic. A malicious HTTP server can exploit this by setting 'super cookies' that bypass the Public Suffix List check. This allows an attacker-controlled origin to inject cookies that curl then transmits to unrelated third-party domains, leading to...

RLSA-2026:35891 Important: nodejs:24 security, bug fix, and enhancement update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...

PT-2026-56195

Name of the Vulnerable Software and Affected Versions Django versions 6.0 through 6.0.6 Django versions 5.2 through 5.2.15 Description UpdateCacheMiddleware and the cache page decorator cache responses that vary on cookies when the incoming request contains unrelated cookies. This behavior allows...

Linux Distros Unpatched Vulnerability : CVE-2026-48588

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies...

AlmaLinux 9 : nodejs:24 (ALSA-2026:35891)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:35891 advisory. ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input CVE-2026-42338 undici: undici: Denial of Service due to...