CVE-2023-50259 — Medusa is an automatic video library manager for TV shows

Medusa is an automatic video library manager for TV shows. Versions prior to 1.0.19 are vulnerable to unauthenticated blind server-side request forgery (SSRF). The `testslack` request handler in `medusa/server/web/home/handler.py` does not validate the user-controlled `slack_webh

01What is this vulnerability?

Medusa is an automatic video library manager for TV shows. Versions prior to 1.0.19 are vulnerable to unauthenticated blind server-side request forgery (SSRF). The `testslack` request handler in `medusa/server/web/home/handler.py` does not validate the user-controlled `slack_webhook` variable and passes it to the `notifiers.slack_notifier.test_notify` method, then `_notify_slack` and finally…

02Affected products

Vendor	Product	Versions
pymedusa	Medusa	< 1.0.19

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-22T17:00:00.976Z
• Last modified: 2024-11-27T15:45:03.076Z

09References

• github.com — https://github.com/pymedusa/Medusa/security/advisories/GHSA-8mcr-vffr-jwxv
• github.com — https://github.com/pymedusa/Medusa/blob/3d656652ab277e47689483912ed7fc443e7023e8…
• github.com — https://github.com/pymedusa/Medusa/blob/3d656652ab277e47689483912ed7fc443e7023e8…
• github.com — https://github.com/pymedusa/Medusa/releases/tag/v1.0.19
• securitylab.github.com — https://securitylab.github.com/advisories/GHSL-2023-201_GHSL-2023-202_Medusa/