What is CVE-2026-40594?

CVE-2026-40594 is a medium-severity vulnerability in Pyload, classified under Origin Validation Error. CVSS score: 4.8/10. Published 2026-04-21.

How severe is CVE-2026-40594?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Pyload

CVE-2026-40594

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev98, the set_session_cookie_secure before_request handler in src/pyload/webui/app/__init__.py reads the X-Forwarded-Proto header from any HTTP request…

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Pyload — versions < 0.5.0b3.dev98
Pyload-ng_project Pyload-ng

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-40594?: CVE-2026-40594 is a medium-severity vulnerability in Pyload, classified under Origin Validation Error. CVSS score: 4.8/10. Published 2026-04-21.
How severe is CVE-2026-40594?: Medium severity. CVSS v3 base score is 4.8 out of 10.