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Fencer Vulns
high 7.4

CVE-2023-0509 json

Improper Certificate Validation in pyload/pyload

published 2023-01-26 3 y ago modified 2026-07-07 4 mo ago also GHSA-8v53-23mx-hcf9 , PYSEC-2026-903 , EUVD-2023-0416

cvss
7.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Improper Certificate Validation in GitHub repository pyload/pyload prior to 0.5.0b3.dev44.

Patch / fix

  • pypi pyload-ng 0.5.0b3.dev44
  • pyload pyload/pyload 0.5.0b3.dev44

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
19 mo ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/a370e0c2-a41c-4871-ad91-bc6f31a8e839 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub 3.0 7.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
OSV 3.0 7.4 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi pyload-ng
<0.5.0b3.dev44
0.5.0b3.dev44

Affected products

  • pyload pyload/pyload

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

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.