SSRF in Bugsink

CVE-2026-44502

Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink’s webhook URL validation could be (partially) bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python’s urllib.parse…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44502?
CVE-2026-44502 is a medium-severity vulnerability in Bugsink, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-05-26.
How severe is CVE-2026-44502?
Medium severity. CVSS v3 base score is 4.3 out of 10.