# twisted (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/pypi-twisted Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/pypi-twisted.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 26 vulnerabilities in twisted (PyPI): 0 in the last 7 days and 8 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Twisted HTTP/2 server denial of service via rapid stream reset, was published on 29 October 2026. 7 vulnerabilities in the last four weeks, up 600% on the four before (1). ## Counts - Last 7 days: 0 - Last 30 days: 7 - Last 90 days: 8 - All time: 26 (0 critical, 0 exploited in the wild) ## About twisted (PyPI) Python networking engine for asynchronous event-driven applications. ## Latest twisted (PyPI) vulnerabilities - [Twisted HTTP/2 server denial of service via rapid stream reset](https://junglewise.ai/threats/twisted-unauthenticated-remote-denial-of-service-in-the-twisted-http-2-0f2d7a0e) (high, CVSS 7.5, published 29 Oct 2026) - [CVE-2026-83813: Twisted: DNS Response Spoofing in twisted.names Due to Missing Source Address Validation](https://junglewise.ai/threats/cve-2026-83813-twisted-is-an-event-based-framework-for-internet-applications) (low, CVSS 3.1, published 23 Oct 2026) - [CVE-2026-115877: Twisted HTTP request smuggling via bare CR or LF in header](https://junglewise.ai/threats/cve-2026-115877-twisted-http-request-smuggling-in-twisted-web-via-a-bare-cr-or) (medium, CVSS 5.4, published 23 Oct 2026) - [CVE-2026-115778: Twisted conch telnet unbounded subnegotiation buffer denial of service](https://junglewise.ai/threats/cve-2026-115778-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 7.5, published 23 Oct 2026) - [CVE-2026-115776: Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.10.0rc1…](https://junglewise.ai/threats/cve-2026-115776-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 7.5, published 23 Oct 2026) - [CVE-2026-115775: Twisted unbounded element tree denial of service](https://junglewise.ai/threats/cve-2026-115775-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-115774: Twisted IMAP4 server denial of service via negative literal size](https://junglewise.ai/threats/cve-2026-115774-twisted-denial-of-service-in-the-twisted-imap4-server-via-a) (medium, CVSS 4.9, published 23 Oct 2026) - [CVE-2026-106454: Twisted ReDoS in IMAP4 wildcard pattern parsing](https://junglewise.ai/threats/cve-2026-106454-twisted-is-an-event-based-framework-for-internet-applications) (medium, CVSS 4.3, published 6 Oct 2026) - [CVE-2024-41671: PYSEC-2026-1992 - twisted.web has disordered HTTP pipeline response](https://junglewise.ai/threats/cve-2024-41671-twisted-web-has-disordered-http-pipeline-response) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2022-39348: PYSEC-2026-1055 - Twisted vulnerable to NameVirtualHost Host header injection](https://junglewise.ai/threats/cve-2022-39348-twisted-vulnerable-to-namevirtualhost-host-header-injection) (low, CVSS 3.1, published 7 Jul 2026) - [CVE-2026-42304: Twisted Denial of Service via DNS compression pointer chains](https://junglewise.ai/threats/cve-2026-42304-twisted-denial-of-service-via-dns-compression-pointer-chains) (high, CVSS 7.5, published 13 May 2026) - [CVE-2024-41810: Twisted vulnerable to HTML injection in HTTP redirect body](https://junglewise.ai/threats/cve-2024-41810-twisted-vulnerable-to-html-injection-in-http-redirect-body) (low, CVSS 3.1, published 29 Jul 2024) - [CVE-2023-46137: twisted.web has disordered HTTP pipeline response](https://junglewise.ai/threats/cve-2023-46137-twisted-web-has-disordered-http-pipeline-response) (low, CVSS 3.1, published 25 Oct 2023) - [Twisted vulnerable to HTTP Request Smuggling Attacks](https://junglewise.ai/threats/twisted-vulnerable-to-http-request-smuggling-attacks-c7cff23a) (info, published 7 Oct 2022) - [CVE-2022-24801: Inconsistent Interpretation of HTTP Requests in twisted.web](https://junglewise.ai/threats/cve-2022-24801-inconsistent-interpretation-of-http-requests-in-twisted-web) (low, CVSS 3.1, published 4 Apr 2022) - [Twisted HTTP/2 denial of service via ping, reset, and settings floods](https://junglewise.ai/threats/twisted-http-2-denial-of-service-via-ping-reset-and-settings-floods-bb140f9c) (info, published 14 Mar 2022) - [CVE-2022-21716: Twisted SSH client and server deny of service during SSH handshake.](https://junglewise.ai/threats/cve-2022-21716-twisted-ssh-client-and-server-deny-of-service-during-ssh) (low, CVSS 3.1, published 3 Mar 2022) - [CVE-2022-21712: Cookie and header exposure in twisted](https://junglewise.ai/threats/cve-2022-21712-cookie-and-header-exposure-in-twisted) (low, CVSS 3.1, published 7 Feb 2022) - [CVE-2020-10108: Improper Input Validation in Twisted](https://junglewise.ai/threats/cve-2020-10108-improper-input-validation-in-twisted) (low, CVSS 3.1, published 12 Mar 2020) - [CVE-2020-10109: HTTP Request Smuggling in Twisted](https://junglewise.ai/threats/cve-2020-10109-http-request-smuggling-in-twisted) (low, CVSS 3.1, published 12 Mar 2020) - [CVE-2016-1000111: Twisted HTTP_PROXY environment variable forced browsing](https://junglewise.ai/threats/cve-2016-1000111-twisted-http-proxy-environment-variable-forced-browsing) (low, CVSS 3.1, published 11 Mar 2020) - [CVE-2014-7143: PYSEC-2019-212 - Python Twisted 14.0 trustRoot is not respected in HTTP client](https://junglewise.ai/threats/cve-2014-7143-twisted-trustroot-not-respected-in-http-client) (low, CVSS 3.1, published 12 Nov 2019) - [PYSEC-2019-59 - In words.protocols.jabber.xmlstream in Twisted through 19.2.1, XMPP support did not verify…](https://junglewise.ai/threats/pysec-2019-59-in-words-protocols-jabber-xmlstream-in-twisted-through-19-4380a1c7) (info, published 16 Jun 2019) - [CVE-2019-12855: Improper Certificate Validation in Twisted](https://junglewise.ai/threats/cve-2019-12855-improper-certificate-validation-in-twisted) (low, CVSS 3, published 16 Jun 2019) - [PYSEC-2019-58 - In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an…](https://junglewise.ai/threats/pysec-2019-58-in-twisted-before-19-2-1-twisted-web-did-not-validate-or-700548d9) (info, published 10 Jun 2019) ## Most severe twisted (PyPI) vulnerabilities - [CVE-2026-42304: Twisted Denial of Service via DNS compression pointer chains](https://junglewise.ai/threats/cve-2026-42304-twisted-denial-of-service-via-dns-compression-pointer-chains) (high, CVSS 7.5, published 13 May 2026) - [CVE-2026-115778: Twisted conch telnet unbounded subnegotiation buffer denial of service](https://junglewise.ai/threats/cve-2026-115778-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 7.5, published 23 Oct 2026) - [CVE-2026-115776: Twisted is an event-based framework for internet applications, supporting Python 3.6+. Prior to 26.10.0rc1…](https://junglewise.ai/threats/cve-2026-115776-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 7.5, published 23 Oct 2026) - [Twisted HTTP/2 server denial of service via rapid stream reset](https://junglewise.ai/threats/twisted-unauthenticated-remote-denial-of-service-in-the-twisted-http-2-0f2d7a0e) (high, CVSS 7.5, published 29 Oct 2026) - [CVE-2026-115775: Twisted unbounded element tree denial of service](https://junglewise.ai/threats/cve-2026-115775-twisted-unauthenticated-remote-denial-of-service-in-the-twisted) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-115877: Twisted HTTP request smuggling via bare CR or LF in header](https://junglewise.ai/threats/cve-2026-115877-twisted-http-request-smuggling-in-twisted-web-via-a-bare-cr-or) (medium, CVSS 5.4, published 23 Oct 2026) - [CVE-2026-115774: Twisted IMAP4 server denial of service via negative literal size](https://junglewise.ai/threats/cve-2026-115774-twisted-denial-of-service-in-the-twisted-imap4-server-via-a) (medium, CVSS 4.9, published 23 Oct 2026) - [CVE-2026-106454: Twisted ReDoS in IMAP4 wildcard pattern parsing](https://junglewise.ai/threats/cve-2026-106454-twisted-is-an-event-based-framework-for-internet-applications) (medium, CVSS 4.3, published 6 Oct 2026) - [CVE-2020-10108: Improper Input Validation in Twisted](https://junglewise.ai/threats/cve-2020-10108-improper-input-validation-in-twisted) (low, CVSS 3.1, published 12 Mar 2020) - [CVE-2022-21716: Twisted SSH client and server deny of service during SSH handshake.](https://junglewise.ai/threats/cve-2022-21716-twisted-ssh-client-and-server-deny-of-service-during-ssh) (low, CVSS 3.1, published 3 Mar 2022) ## Vulnerabilities per week 7 vulnerabilities in the last four weeks, up 600% on the four before (1). | 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 | 1 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 6 | 0 | 0 | | 26 Oct 2026 | 1 | 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, "twisted (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/pypi-twisted, 13 November 2026.