# calibreweb (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/calibreweb Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/calibreweb.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 18 vulnerabilities in calibreweb (PyPI): 0 in the last 7 days and 0 in the last 90 days, 4 of them critical and 0 exploited in the wild. The most recent, CVE-2025-6998, was published on 7 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 18 (4 critical, 0 exploited in the wild) ## About calibreweb (PyPI) Web application for managing and reading ebook collections. ## Latest calibreweb (PyPI) vulnerabilities - [CVE-2025-6998: PYSEC-2026-1228 - Calibre Web and Autocaliweb have a ReDoS vulnerability](https://junglewise.ai/threats/cve-2025-6998-calibre-web-and-autocaliweb-redos-in-strip-whitespaces) (medium, CVSS 4, published 7 Jul 2026) - [CVE-2025-7404: PYSEC-2026-1235 - Calibre Web and Autocaliweb have OS Command Injection vulnerability](https://junglewise.ai/threats/cve-2025-7404-calibre-web-and-autocaliweb-have-os-command-injection) (medium, CVSS 4, published 7 Jul 2026) - [CVE-2021-3986: PYSEC-2026-1232 - Generation of Error Message Containing Sensitive Information in janeczku/calibre-web](https://junglewise.ai/threats/cve-2021-3986-generation-of-error-message-containing-sensitive-information-in) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2021-3988: PYSEC-2026-1236 - Cross-site Scripting (XSS) - DOM in janeczku/calibre-web](https://junglewise.ai/threats/cve-2021-3988-cross-site-scripting-xss-dom-in-janeczku-calibre-web) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2021-3987: PYSEC-2026-1229 - Improper Access Control in janeczku/calibre-web](https://junglewise.ai/threats/cve-2021-3987-improper-access-control-in-janeczku-calibre-web) (low, CVSS 3, published 7 Jul 2026) - [CVE-2024-39123: PYSEC-2026-1230 - Calibre-Web Cross Site Scripting (XSS)](https://junglewise.ai/threats/cve-2024-39123-calibre-web-cross-site-scripting-xss) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2022-2525: PYSEC-2026-1231 - Improper Restriction of Excessive Authentication Attempts in calibreweb](https://junglewise.ai/threats/cve-2022-2525-improper-restriction-of-excessive-authentication-attempts-in) (info, published 7 Jul 2026) - [CVE-2023-2106: PYSEC-2026-1233 - Weak Password Requirements in calibreweb](https://junglewise.ai/threats/cve-2023-2106-weak-password-requirements-in-calibreweb) (low, CVSS 3, published 7 Jul 2026) - [CVE-2021-4170: PYSEC-2026-620 - calibre-web is vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2021-4170-calibre-web-is-vulnerable-to-cross-site-scripting) (low, CVSS 3.1, published 2 Jul 2026) - [CVE-2021-4164: PYSEC-2026-621 - calibre-web is vulnerable to Cross-Site Request Forgery (CSRF)](https://junglewise.ai/threats/cve-2021-4164-calibre-web-is-vulnerable-to-cross-site-request-forgery-csrf) (low, CVSS 3, published 2 Jul 2026) - [CVE-2025-65858: A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript…](https://junglewise.ai/threats/cve-2025-65858-calibre-web-has-a-stored-cross-site-scripting-xss-vulnerability) (medium, CVSS 4, published 2 Dec 2025) - [CVE-2022-30765: SQL injection in calibreweb](https://junglewise.ai/threats/cve-2022-30765-sql-injection-in-calibreweb) (critical, CVSS 9.8, published 17 May 2022) - [CVE-2022-0766: Server-Side Request Forgery in calibreweb](https://junglewise.ai/threats/cve-2022-0766-calibreweb-server-side-request-forgery-in-cover-upload) (critical, CVSS 9.8, published 8 Mar 2022) - [CVE-2022-0767: Server-Side Request Forgery in calibreweb](https://junglewise.ai/threats/cve-2022-0767-server-side-request-forgery-in-calibreweb) (critical, CVSS 9.9, published 8 Mar 2022) - [CVE-2022-0273: PYSEC-2022-22 - Improper Access Control in Pypi calibreweb prior to 0.6.16.](https://junglewise.ai/threats/cve-2022-0273-incorrect-authorization-in-calibreweb) (low, CVSS 3.1, published 30 Jan 2022) - [CVE-2022-0339: PYSEC-2022-23 - Server-Side Request Forgery (SSRF) in Pypi calibreweb prior to 0.6.16.](https://junglewise.ai/threats/cve-2022-0339-server-side-request-forgery-in-calibreweb) (low, CVSS 3, published 30 Jan 2022) - [CVE-2022-0352: PYSEC-2022-18 - Cross-site Scripting (XSS) - Reflected in Pypi calibreweb prior to 0.6.16.](https://junglewise.ai/threats/cve-2022-0352-cross-site-scripting-in-calibreweb) (low, CVSS 3.1, published 28 Jan 2022) - [CVE-2021-4171: calibre-web is vulnerable to Business Logic Errors](https://junglewise.ai/threats/cve-2021-4171-calibre-web-is-vulnerable-to-business-logic-errors) (critical, CVSS 9.8, published 21 Jan 2022) ## Most severe calibreweb (PyPI) vulnerabilities - [CVE-2022-0767: Server-Side Request Forgery in calibreweb](https://junglewise.ai/threats/cve-2022-0767-server-side-request-forgery-in-calibreweb) (critical, CVSS 9.9, published 8 Mar 2022) - [CVE-2021-4171: calibre-web is vulnerable to Business Logic Errors](https://junglewise.ai/threats/cve-2021-4171-calibre-web-is-vulnerable-to-business-logic-errors) (critical, CVSS 9.8, published 21 Jan 2022) - [CVE-2022-0766: Server-Side Request Forgery in calibreweb](https://junglewise.ai/threats/cve-2022-0766-calibreweb-server-side-request-forgery-in-cover-upload) (critical, CVSS 9.8, published 8 Mar 2022) - [CVE-2022-30765: SQL injection in calibreweb](https://junglewise.ai/threats/cve-2022-30765-sql-injection-in-calibreweb) (critical, CVSS 9.8, published 17 May 2022) - [CVE-2025-7404: PYSEC-2026-1235 - Calibre Web and Autocaliweb have OS Command Injection vulnerability](https://junglewise.ai/threats/cve-2025-7404-calibre-web-and-autocaliweb-have-os-command-injection) (medium, CVSS 4, published 7 Jul 2026) - [CVE-2025-6998: PYSEC-2026-1228 - Calibre Web and Autocaliweb have a ReDoS vulnerability](https://junglewise.ai/threats/cve-2025-6998-calibre-web-and-autocaliweb-redos-in-strip-whitespaces) (medium, CVSS 4, published 7 Jul 2026) - [CVE-2025-65858: A Stored Cross-Site Scripting (XSS) vulnerability in Calibre-Web v0.6.25 allows attackers to inject malicious JavaScript…](https://junglewise.ai/threats/cve-2025-65858-calibre-web-has-a-stored-cross-site-scripting-xss-vulnerability) (medium, CVSS 4, published 2 Dec 2025) - [CVE-2024-39123: PYSEC-2026-1230 - Calibre-Web Cross Site Scripting (XSS)](https://junglewise.ai/threats/cve-2024-39123-calibre-web-cross-site-scripting-xss) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2022-0352: PYSEC-2022-18 - Cross-site Scripting (XSS) - Reflected in Pypi calibreweb prior to 0.6.16.](https://junglewise.ai/threats/cve-2022-0352-cross-site-scripting-in-calibreweb) (low, CVSS 3.1, published 28 Jan 2022) - [CVE-2021-4170: PYSEC-2026-620 - calibre-web is vulnerable to Cross-site Scripting](https://junglewise.ai/threats/cve-2021-4170-calibre-web-is-vulnerable-to-cross-site-scripting) (low, CVSS 3.1, published 2 Jul 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other PyPI technologies - [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities - [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities - [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities - [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities - [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities - [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities - [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities - [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities - [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities - [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities - [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities - [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "calibreweb (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/calibreweb, 13 November 2026.