# CVE-2016-3691: PYSEC-2026-648 - Kallithea Routes CSRF Bypass

Source: https://junglewise.ai/threats/cve-2016-3691-kallithea-routes-csrf-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-02  
License: CC BY 4.0 with a link back

CVE-2016-3691 · Severity: low · CVSS 3 · Published 2026-07-02

Kallithea Routes CSRF Bypass

Technologies: [kallithea (PyPI)](https://junglewise.ai/threats/technologies/kallithea). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2016-3691 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2016-3691 being exploited in the wild.

**How severe is CVE-2016-3691?** Low severity, with a CVSS score of 3, published 2 July 2026.

**Which products and versions are affected?** kallithea (PyPI) ECOSYSTEM:introduced=0,fixed=0.3.2.

**Is there a fix for CVE-2016-3691?** Yes. kallithea (PyPI): upgrade to 0.3.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2016-3691?** Check whether you run kallithea (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- kallithea (PyPI): upgrade to 0.3.2 or later

  ```sh
  pip install "kallithea>=0.3.2"
  ```


## Affected products

- kallithea (PyPI) ECOSYSTEM:introduced=0,fixed=0.3.2

## Identifiers

- CVE-2016-3691
- GHSA-799h-qr84-pcrp
- PYSEC-2026-648

## Related threats

- [PYSEC-2017-16 - Cross-site request forgery (CSRF) vulnerability in Kallithea before 0.2.](https://junglewise.ai/threats/cve-2015-0276-kallithea-cross-site-request-forgery-csrf-vulnerability)
- [Kallithea cross-site scripting (XSS) vulnerability](https://junglewise.ai/threats/cve-2015-1864-kallithea-cross-site-scripting-xss-vulnerability)
- [Kallithea CRLF injection vulnerability](https://junglewise.ai/threats/cve-2015-5285-kallithea-crlf-injection-vulnerability)
- [RhodeCode and Kallithea are vulnerable to sensitive information disclosure](https://junglewise.ai/threats/cve-2015-0260-rhodecode-and-kallithea-are-vulnerable-to-sensitive-information)