Authorization Bypass for SSL Certificate/Key Configuration Due to Option Name Mismatch in pyload-ng

published 2026-04-07 7 mo ago modified 2026-06-17 4 mo ago also GHSA-ppvx-rwh9-7rj7 , PYSEC-2026-123 , EUVD-2026-19736

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev97, the ADMIN_ONLY_CORE_OPTIONS authorization set in set_config_value() uses incorrect option names ssl_cert and ssl_key, while the actual configuration option names are ssl_certfile and ssl_keyfile. This name mismatch causes the admin-only check to always evaluate to False, allowing any user with SETTINGS permission to overwrite the SSL certificate and key file paths. Additionally, the ssl_certchain option was never added to the admin-only set at all. This vulnerability is fixed in 0.5.0b3.dev97.

Patch / fix

fixed in 1

pypi pyload-ng 0.5.0b3.dev97

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 7 mo ago (2026-04-07)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/pyload/pyload/security/advisories/GHSA-ppvx-rwh9-7rj7 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
GitHub	3.1	6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
OSV	3.1	6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem	package	affected	fixed in
pypi	pyload-ng	<0.5.0b3.dev97	0.5.0b3.dev97

Affected products

pyload pyload

Classification

Weakness

CWE-863 Incorrect Authorization

References

github.com /pyload/pyload/security/advisories/GHSA-ppvx-rwh9-7rj7
web, exploit, vendor-advisory, evidence
nvd.nist.gov /vuln/detail/CVE-2026-35586
advisory
github.com /pyload/pyload
package
github.com /pypa/advisory-database/tree/main/vulns/pyload-ng/PYSEC-2026-123.yaml
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary