CVE-2026-54009

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

USN-8463-1 libvncserver vulnerabilities

It was discovered that LibVNCServer had a memory leak in the client cleanup function. An attacker could possibly use this issue to cause LibVNCServer to consume memory, leading to a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2020-29260 It was discovered that LibVNCServer di...

JLSEC-2026-618 HTTP/1 request smuggling via bare-LF, lenient chunk size, and TE/CL handling in HTTP.jl server

Description The HTTP/1 server request parser had three framing primitives that could make HTTP.jl disagree with a fronting proxy about message boundaries on a reused keep-alive connection. 1 readlinecrlf tolerated a bare LF on its buffered fast path but required CRLF on the slow path, so the...

Exploit for Path Traversal in Apache Http_Server

CVE-2021-41773 — PoC: Path Traversal + RCE via modcgi So...

ALSA-2026:28231 Moderate: opencryptoki security update

The opencryptoki packages contain version 2.11 of the PKCS11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages includes support for the IBM 4758 Cryptographic CoProcessor with the PKCS11 firmware loaded, the IBM eServer Cryptographic Accelerator FC 4960 ...

PT-2026-58089

Name of the Vulnerable Software and Affected Versions Pillow versions 5.2.0 through 12.2.x Description The TGA RLE encoder in the Pillow Python imaging library reads past its packed row buffer when saving a mode 1 image using TGA RLE compression. This behavior allows adjacent process heap bytes t...

CVE-2026-56785: Improper Neutralization of Input During Web Page Generation

FlatPress contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in...

CVE-2026-52846: Improper Encoding or Escaping of Output

Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, Caddy’s stripHTML template function cannot reliably remove all HTML tags from input strings. Certain malformed HTML, such as img src=x onerror=alert, can bypass the tag-stripping logic, potentially leaving dangerous...

PHP mbregexuringencoding() DoS

The vulnerability of the mbregexuringencoding function in the PHP interpreter is related to discrepancies in the lists of encodings between the Oniguruma library and mbfl, as a result of a pointer assignment error. Exploiting this vulnerability can allow an attacker to cause a service failure...

Low: libtasn1 security update

A library that provides Abstract Syntax Notation One ASN.1, as specified by the X.680 ITU-T recommendation parsing and structures management, and Distinguished Encoding Rules DER, as per X.690 encoding and decoding functions. Security Fixes: libtasn1: libtasn1: Denial of Service via stack-based...

ghc-crypton-asn1-encoding-0.10.0-1.1 on GA media (moderate)

ghc-crypton-asn1-encoding-0.10.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:11078-1 Rating: moderate Cross-References: CVE-2026-9648 CVSS scores: CVE-2026-9648 SUSE : 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Affected Products: openSUSE Tumbleweed An update that solves one...

UBUNTU-CVE-2026-54911

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Prior to 5.13.0, ujson.dumps or ujson.dump or ujson.encode have a rejectbytes=False option. When set, they may accept malformed or truncated UTF-8 byte sequences, silently rewriting them into different...

OpenAM SAML2 Cluster Cookie-Hash-Redirect Path has Pre-authentication Reflected XSS via `FSUtils.postToTarget`

Summary Certain federation endpoints do not consistently apply output encoding when rendering user-supplied parameters into HTML responses. Under a non-default configuration used in some clustered deployments, this inconsistency can result in reflected XSS in the OpenAM origin without...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS due to the inconsistent output encoding of user-supplied parameters in HTML responses through the FSUtils.postToTarget function. An attacker can execute arbitrary scripts in the context of the user's browser by...

CVE-2026-53779 WebP Server Go < 0.15.0 Path Traversal via Backslash Encoding on Windows

WebP Server Go through 0.14.4 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to read files outside the configured IMGPATH directory by sending requests with percent-encoded backslashes %5C that bypass the path.Clean sanitization in handler/router.go...

CVE-2026-54293

CVE-2026-54293 affects NLTK’s nltk.data.load() in Python. A TOCTOU-style flaw lets an attacker bypass the unsafe-path regex (UNSAFE_NO_PROTOCOL_RE) by using URL-encoded path separators (e.g., %2f, %2e%2e) and then decoding, enabling arbitrary local file reads prior to the fix. Affected until vers...

CVE-2026-54293 NLTK: URL-Encoded Path Traversal in nltk.data.load() Allows Arbitrary Local File Read

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Prior to 3.10.0-rc1, nltk.data.load in NLTK is vulnerable to path traversal via URL-encoded path separators and traversal segments...

CVE-2026-54293 NLTK: URL-Encoded Path Traversal in nltk.data.load() Allows Arbitrary Local File Read

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Prior to 3.10.0-rc1, nltk.data.load in NLTK is vulnerable to path traversal via URL-encoded path separators and traversal segments...

CVE-2026-54283

Starlette (Python-starlette) from 0.4.1 through 1.3.1 is affected by CVE-2026-54283, where request.form() fails to apply max_fields/max_part_size for application/x-www-form-urlencoded, allowing an unauthenticated attacker to send a URL-encoded body with unbounded fields or field size. This result...

Medium: python

Issue Overview: http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie valu...