What is CVE-2026-42313?

CVE-2026-42313 is a high-severity vulnerability in Pyload, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.3/10. Published 2026-05-11.

How severe is CVE-2026-42313?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Pyload

CVE-2026-42313

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the set_config_value() API method (@permission(Perms.SETTINGS)) in src/pyload/core/api/__init__.py gates security-sensitive options behind a hand…

EPSS: 0.000 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Pyload — versions < 0.5.0b3.dev100
Pyload-ng_project Pyload-ng

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)
CWE-863 — Incorrect Authorization
CWE-918 — Server-Side Request Forgery (SSRF)

References

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

Frequently asked questions

What is CVE-2026-42313?: CVE-2026-42313 is a high-severity vulnerability in Pyload, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.3/10. Published 2026-05-11.
How severe is CVE-2026-42313?: High severity. CVSS v3 base score is 8.3 out of 10.