Calibre <= 7.14.0 Remote Code Execution

Unauthenticated remote code execution via Calibre’s content server in Calibre = 7.14.0. id: CVE-2024-6782 info: name: Calibre = 7.14.0 Remote Code Execution author: DhiyaneshDK severity: critical description: | Unauthenticated remote code execution via Calibre’s content server in Calibre = 7.14.0...

Calibre <= 7.15.0 - Reflected Cross-Site Scripting (XSS)

It is possible to inject arbitrary JavaScript code into the /browse endpoint of the Calibre content server, allowing an attacker to craft a URL that when clicked by a victim, will execute the attacker’s JavaScript code in the context of the victim’s browser. If the Calibre server is running with...

Calibre <= 7.14.0 Arbitrary File Read

Arbitrary file read via Calibre’s content server in Calibre = 7.14.0. id: CVE-2024-6781 info: name: Calibre = 7.14.0 Arbitrary File Read author: DhiyaneshDK severity: high description: | Arbitrary file read via Calibre’s content server in Calibre = 7.14.0. impact: | Attackers can exploit the...

[SECURITY] Fedora 44 Update: calibre-9.11.0-1.fc44

Calibre is meant to be a complete e-library solution. It includes library management, format conversion, news feeds to ebook conversion as well as e-book reader sync features. Calibre is primarily a ebook cataloging program. It manages your ebook collection for you. It is designed around the...

Linux Distros Unpatched Vulnerability : CVE-2026-53511

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre,...

DEBIAN-CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

UBUNTU-CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

Calibre vulnerability CVE-2026-53511 affects the calibre e-book manager prior to version 9.10.0. A malicious EPUB/OPF/PDF can trigger arbitrary Python code execution when metadata is read by calibre (e.g., via Add books or Edit books) by embedding a python: template in calibre:user_metadata; the ...

CVE-2026-53511 calibre: Arbitrary Code Execution in Template Formatter via Book Metadata

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511 calibre: Arbitrary Code Execution in Template Formatter via Book Metadata

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

CVE-2026-53511

calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:usermetadata that is pass...

PYSEC-2026-1234 Calibre-Web Has a Stored Cross-Site Scripting (XSS) Vulnerability via the 'username' Field During User Creation

A Stored Cross-Site Scripting XSS vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript into the 'username' field during user creation. The payload is stored unsanitized and later executed when the /ajax/listusers endpoint is accessed...

PYSEC-2026-1235 Calibre Web and Autocaliweb have OS Command Injection vulnerability

Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in Calibre Web, Autocaliweb allows Blind OS Command Injection. This issue affects Calibre Web: 0.6.24 Nicolette; Autocaliweb: from 0.7.0 before 0.7.1...

PYSEC-2026-1228 Calibre Web and Autocaliweb have a ReDoS vulnerability

ReDoS in stripwhitespaces function in cps/stringhelper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24...

PYSEC-2026-1236 Cross-site Scripting (XSS) - DOM in janeczku/calibre-web

A Cross-site Scripting XSS vulnerability exists in janeczku/calibre-web, specifically in the file editbooks.js. The vulnerability occurs when editing book properties, such as uploading a cover or a format. The affected code directly inserts user input into the DOM without proper sanitization,...

PYSEC-2026-1229 Improper Access Control in janeczku/calibre-web

An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the createshelf method in shelf.py not verifying if the user has the necessary permissions to create a...

PYSEC-2026-1232 Generation of Error Message Containing Sensitive Information in janeczku/calibre-web

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they d...

PYSEC-2026-1230 Calibre-Web Cross Site Scripting (XSS)

In janeczku Calibre-Web 0.6.0 to 0.6.21, the editbookcomments function is vulnerable to Cross Site Scripting XSS due to improper sanitization performed by the cleanstring function. The vulnerability arises from the way the cleanstring function handles HTML sanitization...