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Fencer Vulns
high 7.2

CVE-2024-38526 json

pdoc embeds link to malicious CDN if math mode is enabled

published 2024-06-25 2 y ago modified 2026-07-07 4 mo ago also GHSA-5vgj-ggm4-fg62 , PYSEC-2026-1764 , EUVD-2024-1935

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

pdoc provides API Documentation for Python Projects. Documentation generated with `pdoc --math` linked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code. This issue has been fixed in pdoc 14.5.1.

Patch / fix

  • pypi pdoc 14.5.1
  • mitmproxy pdoc 14.5.1
  • ghc-pandoc SLE Module for Package Hub 15 SP7, SLE Module for Package Hub 15 SP6, openSUSE Leap 15.6 3.1.11.1-150500.11.6.1

suse advisories SUSE-SU-2025:02037-1

  • netpbm openSUSE Tumbleweed 11.7.0-1.1

opensuse advisories openSUSE-SU-2024:14187-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-38526 updated cvss 7.2

pdoc: pdoc embeds link to malicious CDN if math mode is enabled

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

3.83% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 0.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L/E:H/RL:O/RC:C/MC:N/MI:N/MA:N
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
OSV 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
GitHub 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

Affected packages

ecosystem package affected fixed in
pypi pdoc
<14.5.1
14.5.1

Affected products

  • mitmproxy pdoc

Classification

Weakness
  • CWE-1395 Dependency on Vulnerable Third-Party Component

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.