Pylons

13 CVEs across 4 Pylons products. Browse Pylons vulnerabilities, severities, and proof-of-concept exploits.

Pylons products with known CVEs

ProductCVEs
Waitress9
Webob2
Horus1
Pyramid1
Pylons CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-44889Medium6.12026-06-22WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an op…
CVE-2024-49769High7.52024-10-29Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to cal…
CVE-2024-49768Critical9.12024-10-29Waitress is a Web Server Gateway Interface server for Python 2 and 3. A remote client may send a request that is exactly recv_bytes (defaults to 8192) long, fo…
CVE-2024-42353Medium6.12024-08-14WebOb provides objects for HTTP requests and responses. When WebOb normalizes the HTTP Location header to include the request hostname, it does so by parsing t…
CVE-2023-40587Medium4.32023-08-25Pyramid is an open source Python web framework. A path traversal vulnerability in Pyramid versions 2.0.0 and 2.0.1 impacts users of Python 3.11 that are using…
CVE-2014-125056Low2.62023-01-07A vulnerability was found in Pylons horus and classified as problematic. Affected by this issue is some unknown functionality of the file horus/flows/local/ser…
CVE-2022-31015Medium6.52022-05-31Waitress is a Web Server Gateway Interface server for Python 2 and 3. Waitress versions 2.1.0 and 2.1.1 may terminate early due to a thread closing a socket wh…
CVE-2022-24761High7.52022-03-17Waitress is a Web Server Gateway Interface server for Python 2 and 3. When using Waitress versions 2.1.0 and prior behind a proxy that does not properly valida…
CVE-2020-5236Medium5.72020-02-04Waitress version 1.4.2 allows a DOS attack When waitress receives a header that contains invalid characters. When a header like "Bad-header: xxxxxxxxxxxxxxx\x1…
CVE-2019-16792High7.12020-01-22Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header a…
CVE-2019-16789High7.12019-12-26In Waitress through version 1.4.0, if a proxy server is used in front of waitress, an invalid request may be sent by an attacker that bypasses the front-end an…
CVE-2019-16786High7.12019-12-20Waitress through version 1.3.1 would parse the Transfer-Encoding header and only look for a single string value, if that value was not chunked it would fall th…
CVE-2019-16785High7.12019-12-20Waitress through version 1.3.1 implemented a "MAY" part of the RFC7230 which states: "Although the line terminator for the start-line and header fields is the…