PYSEC-2026-2723 Open WebUI vulnerable to blind server side request forgery (SSRF) via the PDF generate function

Summary Blind server side request forgery SSRF via the PDF generate function. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here. Tested on Ope...

local-deep-research is Vulnerable to HTML Injection via Unescaped User Input in PDF Export (`pdf_service.py:_markdown_to_html`)

SummaryPDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs — directly into an f-string without any HTML escaping. An authenticated attacker can craft a researc...

PYSEC-2026-2610 local-deep-research is Vulnerable to HTML Injection via Unescaped User Input in PDF Export (`pdf_service.py:_markdown_to_html`)

Summary PDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs — directly into an f-string without any HTML escaping. An authenticated attacker can craft a resear...

PYSEC-2026-2874 Pillow has a PDF Parsing Trailer Infinite Loop (DoS)

Impact An attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. Patches Patched version: 12.2.0. PdfParser introduced in Pillow 4.2.0 follows Prev pointers in PDF trailers to read cross-reference sections. If ...

pypdf: Possible long runtimes for wrong size values in incremental mode

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer /Size value in incremental mode. PatchesThis has been fixed in pypdf==6.10.2. WorkaroundsIf you cannot upgrade yet, consider applying the changes from PR 37...

PYSEC-2026-3007 pypdf: Possible long runtimes for wrong size values in incremental mode

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading a PDF with a large trailer /Size value in incremental mode. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot upgrade yet, consider applying the changes from PR...

pypdf: Manipulated XMP metadata entity declarations can exhaust RAM

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. PatchesThis has been fixed in pypdf==6.10.0. WorkaroundsIf you cannot upgrade yet, consider applying the changes from PR 3724...

pypdf vulnerable to inefficient decoding of ASCIIHexDecode streams

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. PatchesThis has been fixed in pypdf==6.7.5. WorkaroundsIf you cannot upgrade yet, consider applying the changes from PR 3666...

PYSEC-2026-3017 pypdf: Manipulated RunLengthDecode streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream using the RunLengthDecode filter. Patches This has been fixed in pypdf==6.7.4. Workarounds If you cannot upgrade yet, consider applying the changes from PR 36...

PYSEC-2026-3027 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

pypdf has a possible infinite loop when processing TreeObject

ImpactAn attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the children of a TreeObject, for example as part of outlines. PatchesThis has been fixed in pypdf==6.7.1. WorkaroundsIf you cannot upgrade yet, consider applying the changes fro...

EUVD-2026-43467

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in EDGARROJAS WooCommerce PDF Invoice Builder woo-pdf-invoice-builder allows Retrieve Embedded Sensitive Data.This issue affects WooCommerce PDF Invoice Builder: from n/a through = 2.0.8...

CVE-2026-57407

Server-Side Request Forgery SSRF vulnerability in WP Swings PDF Generator for WordPress pdf-generator-for-wp allows Server Side Request Forgery.This issue affects PDF Generator for WordPress: from n/a through = 1.6.2...

CVE-2026-57393

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in EDGARROJAS WooCommerce PDF Invoice Builder woo-pdf-invoice-builder allows Retrieve Embedded Sensitive Data.This issue affects WooCommerce PDF Invoice Builder: from n/a through = 2.0.8...

CVE-2026-57407

The vulnerability concerns the WordPress plugin PDF Generator for WordPress (plugin name shown as pdf-generator-for-wp) and is described as a Server-Side Request Forgery (SSRF) . Affected versions are listed as “from n/a through

CVE-2026-57407 WordPress PDF Generator for WordPress plugin <= 1.6.2 - Server Side Request Forgery (SSRF) vulnerability

Server-Side Request Forgery SSRF vulnerability in WP Swings PDF Generator for WordPress pdf-generator-for-wp allows Server Side Request Forgery.This issue affects PDF Generator for WordPress: from n/a through = 1.6.2...

CVE-2026-57393 WordPress WooCommerce PDF Invoice Builder plugin <= 2.0.8 - Sensitive Data Exposure vulnerability

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in EDGARROJAS WooCommerce PDF Invoice Builder woo-pdf-invoice-builder allows Retrieve Embedded Sensitive Data.This issue affects WooCommerce PDF Invoice Builder: from n/a through = 2.0.8...

EUVD-2026-43478

Server-Side Request Forgery SSRF vulnerability in WP Swings PDF Generator for WordPress pdf-generator-for-wp allows Server Side Request Forgery.This issue affects PDF Generator for WordPress: from n/a through = 1.6.2...

CVE-2026-57407 WordPress PDF Generator for WordPress plugin <= 1.6.2 - Server Side Request Forgery (SSRF) vulnerability

Server-Side Request Forgery SSRF vulnerability in WP Swings PDF Generator for WordPress pdf-generator-for-wp allows Server Side Request Forgery.This issue affects PDF Generator for WordPress: from n/a through = 1.6.2...

CVE-2026-57393

CVE-2026-57393 affects the WordPress plugin WooCommerce PDF Invoice Builder (plugin slug woo-pdf-invoice-builder) up to version ≤ 2.0.8. The vulnerability is described as an Exposure of Sensitive System Information to an Unauthorized Control Sphere that allows retrieval of embedded sensitive data...