PT-2026-59642

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting the text of a page which contains a form XObject with self-references. Patches This has been fixed in pypdf==6.12.2. Workarounds If you cannot upgrade yet, consider applying...

PT-2026-59649

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...

PT-2026-59638

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires extracting text in layout mode with large character offsets. Patches This has been fixed in pypdf==6.12.0. Workarounds If developers are unable to immediately upgrade, they should...

PT-2026-59366

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...

PT-2026-59627

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. Patches This has been fixed in pypdf==6.7.2. Workarounds If users cannot upgrade yet, consider applying the changes from PR 3655...

PT-2026-57718

Name of the Vulnerable Software and Affected Versions PDF Generator for WordPress versions prior to 1.6.3 Description A Server-Side Request Forgery SSRF issue exists in the PDF Generator for WordPress plugin. This flaw allows an unauthenticated attacker to induce the server to make requests to...

PT-2026-59644

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer. Patches This has been fixed in pypdf==6.13.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 3830...

PT-2026-59637

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires a malformed /FlateDecode stream, where the byte-by-byte decompression is used. Patches This has been fixed in pypdf==6.7.1. Workarounds If you cannot upgrade yet, consider applying the chang...

PT-2026-59633

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using /FlateDecode with a /Predictor unequal 1 and large predictor parameters. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot...

PT-2026-59626

Impact An attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires cross-reference streams with /W 0 0 0 values and large /Size values. Patches This has been fixed in pypdf==6.12.0. Workarounds If developers are unable to upgrade their apps immediately, the...

PT-2026-59639

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...

PT-2026-59641

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing a content stream with a rather large /Length value, regardless of the actual data length inside the stream. Patches This has been fixed in pypdf==6.8.0. Workarounds If you canno...

CVE-2026-57407: Server-Side Request Forgery (SSRF)

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...

PT-2026-59264

Summary PDFService. markdown to html 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...

PYSEC-0000-CVE-2026-56260

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The outputpath parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location...

PYSEC-2026-3449

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The outputpath parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location...

PYSEC-2026-3449

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The outputpath parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location...

CVE-2026-56260

Crawl4AI before 0.8.7 contains an arbitrary file write vulnerability in the Docker API server's /screenshot and /pdf endpoints. The outputpath parameter accepts arbitrary filesystem paths without validation, allowing an attacker to supply absolute or path-traversal values to write to any location...

PT-2026-57551

Name of the Vulnerable Software and Affected Versions Crawl4AI versions prior to 0.8.7 Description An arbitrary file write issue exists in the Docker API server. The '/screenshot' and '/pdf' endpoints do not validate the output path parameter, which allows an attacker to use absolute paths or...

Uncontrolled Resource Consumption (Infinite Loop)

pypdf is vulnerable to Uncontrolled Resource Consumption Infinite Loop. The vulnerability is due to improper handling of crafted PDF files containing threads/articles during the merge operation, which allows an attacker to trigger an infinite loop by supplying a malicious PDF, resulting in a...