Calibre
by Kovidgoyal
Source repositories
CVEs (22)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-6782 | Cri | 0.67 | 9.8 | 0.83 | Aug 6, 2024 | Improper access control in Calibre 6.9.0 ~ 7.14.0 allow unauthenticated attackers to achieve remote code execution. | ||
| CVE-2025-64486 | Cri | 0.60 | — | 0.00 | Nov 8, 2025 | calibre is an e-book manager. In versions 8.13.0 and prior, calibre does not validate filenames when handling binary assets in FB2 files, allowing an attacker to write arbitrary files on the filesystem when viewing or converting a malicious FictionBook file. This can be… | ||
| CVE-2016-10187 | Med | 0.29 | 5.5 | 0.03 | Mar 16, 2017 | The E-book viewer in calibre before 2.75 allows remote attackers to read arbitrary files via a crafted epub file with JavaScript. | ||
| CVE-2024-6781 | 0.05 | — | 0.63 | Aug 6, 2024 | Path traversal in Calibre <= 7.14.0 allow unauthenticated attackers to achieve arbitrary file read. | |||
| CVE-2024-7008 | 0.02 | — | 0.24 | Aug 6, 2024 | Unsanitized user-input in Calibre <= 7.15.0 allow attackers to perform reflected cross-site scripting. | |||
| CVE-2024-7009 | 0.01 | — | 0.14 | Aug 6, 2024 | Unsanitized user-input in Calibre <= 7.15.0 allow users with permissions to perform full-text searches to achieve SQL injection on the SQLite database. | |||
| CVE-2026-33206 | 0.00 | — | 0.00 | Mar 27, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a path traversal vulnerability exists in Calibre' handling of images in Markdown and other similar text-based files allowing an attacker to include… | |||
| CVE-2026-33205 | 0.00 | — | 0.00 | Mar 27, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a Server-Side Request Forgery vulnerability in the background-image endpoint of calibre e-book reader's web view allows an attacker to perform blind GET… | |||
| CVE-2026-30853 | 0.00 | — | 0.00 | Mar 13, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to 9.5.0, a path traversal vulnerability in the RocketBook (.rb) input plugin (src/calibre/ebooks/rb/reader.py) allows an attacker to write arbitrary files to any path… | |||
| CVE-2026-27824 | 0.00 | — | 0.00 | Feb 27, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's brute-force protection mechanism uses a ban key derived from both `remote_addr` and the `X-Forwarded-For` header. Since the… | |||
| CVE-2026-27810 | 0.00 | — | 0.00 | Feb 27, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server… | |||
| CVE-2026-26065 | 0.00 | — | 0.01 | Feb 20, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers (both 132-byte and 202-byte header variants) that allow arbitrary file writes with arbitrary… | |||
| CVE-2026-26064 | 0.00 | — | 0.01 | Feb 20, 2026 | calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below contain a Path Traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows, this leads to Remote Code… | |||
| CVE-2026-25731 | 0.00 | — | 0.00 | Feb 6, 2026 | calibre is an e-book manager. Prior to 9.2.0, a Server-Side Template Injection (SSTI) vulnerability in Calibre's Templite templating engine allows arbitrary code execution when a user converts an ebook using a malicious custom template file via the --template-html or… | |||
| CVE-2026-25635 | 0.00 | — | 0.00 | Feb 6, 2026 | calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows (haven't tested on other OS's), this can lead to Remote Code Execution by writing a… | |||
| CVE-2026-25636 | 0.00 | — | 0.00 | Feb 6, 2026 | calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversion allows a malicious EPUB file to corrupt arbitrary existing files writable by the Calibre process. During conversion, Calibre resolves CipherReference URI from… | |||
| CVE-2023-46303 | 0.00 | — | 0.01 | Oct 22, 2023 | link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root. | |||
| CVE-2021-44686 | 0.00 | — | 0.05 | Dec 6, 2021 | calibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py. | |||
| CVE-2011-4126 | 0.00 | — | 0.01 | Oct 27, 2021 | Race condition issues were found in Calibre at devices/linux_mount_helper.c allowing unprivileged users the ability to mount any device to anywhere. | |||
| CVE-2011-4125 | 0.00 | — | 0.02 | Oct 27, 2021 | A untrusted search path issue was found in Calibre at devices/linux_mount_helper.c leading to the ability of unprivileged users to execute any program as root. |
- risk 0.67cvss 9.8epss 0.83
Improper access control in Calibre 6.9.0 ~ 7.14.0 allow unauthenticated attackers to achieve remote code execution.
- risk 0.60cvss —epss 0.00
calibre is an e-book manager. In versions 8.13.0 and prior, calibre does not validate filenames when handling binary assets in FB2 files, allowing an attacker to write arbitrary files on the filesystem when viewing or converting a malicious FictionBook file. This can be…
- risk 0.29cvss 5.5epss 0.03
The E-book viewer in calibre before 2.75 allows remote attackers to read arbitrary files via a crafted epub file with JavaScript.
- CVE-2024-6781Aug 6, 2024risk 0.05cvss —epss 0.63
Path traversal in Calibre <= 7.14.0 allow unauthenticated attackers to achieve arbitrary file read.
- CVE-2024-7008Aug 6, 2024risk 0.02cvss —epss 0.24
Unsanitized user-input in Calibre <= 7.15.0 allow attackers to perform reflected cross-site scripting.
- CVE-2024-7009Aug 6, 2024risk 0.01cvss —epss 0.14
Unsanitized user-input in Calibre <= 7.15.0 allow users with permissions to perform full-text searches to achieve SQL injection on the SQLite database.
- CVE-2026-33206Mar 27, 2026risk 0.00cvss —epss 0.00
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a path traversal vulnerability exists in Calibre' handling of images in Markdown and other similar text-based files allowing an attacker to include…
- CVE-2026-33205Mar 27, 2026risk 0.00cvss —epss 0.00
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.6.0, a Server-Side Request Forgery vulnerability in the background-image endpoint of calibre e-book reader's web view allows an attacker to perform blind GET…
- CVE-2026-30853Mar 13, 2026risk 0.00cvss —epss 0.00
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to 9.5.0, a path traversal vulnerability in the RocketBook (.rb) input plugin (src/calibre/ebooks/rb/reader.py) allows an attacker to write arbitrary files to any path…
- CVE-2026-27824Feb 27, 2026risk 0.00cvss —epss 0.00
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, the calibre Content Server's brute-force protection mechanism uses a ban key derived from both `remote_addr` and the `X-Forwarded-For` header. Since the…
- CVE-2026-27810Feb 27, 2026risk 0.00cvss —epss 0.00
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Prior to version 9.4.0, an HTTP Response Header Injection vulnerability in the calibre Content Server allows any authenticated user to inject arbitrary HTTP headers into server…
- CVE-2026-26065Feb 20, 2026risk 0.00cvss —epss 0.01
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers (both 132-byte and 202-byte header variants) that allow arbitrary file writes with arbitrary…
- CVE-2026-26064Feb 20, 2026risk 0.00cvss —epss 0.01
calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below contain a Path Traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows, this leads to Remote Code…
- CVE-2026-25731Feb 6, 2026risk 0.00cvss —epss 0.00
calibre is an e-book manager. Prior to 9.2.0, a Server-Side Template Injection (SSTI) vulnerability in Calibre's Templite templating engine allows arbitrary code execution when a user converts an ebook using a malicious custom template file via the --template-html or…
- CVE-2026-25635Feb 6, 2026risk 0.00cvss —epss 0.00
calibre is an e-book manager. Prior to 9.2.0, Calibre's CHM reader contains a path traversal vulnerability that allows arbitrary file writes anywhere the user has write permissions. On Windows (haven't tested on other OS's), this can lead to Remote Code Execution by writing a…
- CVE-2026-25636Feb 6, 2026risk 0.00cvss —epss 0.00
calibre is an e-book manager. In 9.1.0 and earlier, a path traversal vulnerability in Calibre's EPUB conversion allows a malicious EPUB file to corrupt arbitrary existing files writable by the Calibre process. During conversion, Calibre resolves CipherReference URI from…
- CVE-2023-46303Oct 22, 2023risk 0.00cvss —epss 0.01
link_to_local_path in ebooks/conversion/plugins/html_input.py in calibre before 6.19.0 can, by default, add resources outside of the document root.
- CVE-2021-44686Dec 6, 2021risk 0.00cvss —epss 0.05
calibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py.
- CVE-2011-4126Oct 27, 2021risk 0.00cvss —epss 0.01
Race condition issues were found in Calibre at devices/linux_mount_helper.c allowing unprivileged users the ability to mount any device to anywhere.
- CVE-2011-4125Oct 27, 2021risk 0.00cvss —epss 0.02
A untrusted search path issue was found in Calibre at devices/linux_mount_helper.c leading to the ability of unprivileged users to execute any program as root.
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