PYSEC-2026-1764
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/pdoc/PYSEC-2026-1764.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-1764
- Aliases
- Published
- 2026-07-07T14:34:35Z
- Modified
- 2026-07-07T17:47:18Z
- Severity
-
- 7.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L CVSS Calculator
- Summary
- pdoc embeds link to malicious CDN if math mode is enabled
- Details
-
Impact
Documentation generated with
pdoc --mathlinked to JavaScript files from polyfill.io. The polyfill.io CDN has been sold and now serves malicious code.Users who produce documentation with math mode should update immediately. All other users are unaffected.
Patches
This issue has been fixed in pdoc 14.5.1.
References
https://github.com/mitmproxy/pdoc/pull/703 https://sansec.io/research/polyfill-supply-chain-attack
Timeline
- [2024-06-25] https://sansec.io/research/polyfill-supply-chain-attack is published.
- [2024-06-25 20:54 UTC] Issue reported to the pdoc project by @adhintz.
- [2024-06-25 21:33 UTC] Patched version released.
- [2024-06-25 21:37 UTC] Security advisory published.
- [2024-06-25 23:49 UTC] CVE-2024-38526 assigned by GitHub.
- References
-
- https://github.com/mitmproxy/pdoc/security/advisories/GHSA-5vgj-ggm4-fg62
- https://nvd.nist.gov/vuln/detail/CVE-2024-38526
- https://github.com/mitmproxy/pdoc/pull/703
- https://github.com/mitmproxy/pdoc/commit/726b8f2e365fe8afeb3604a7c73d19b460395d58
- https://github.com/mitmproxy/pdoc
- https://sansec.io/research/polyfill-supply-chain-attack
- https://www.vicarius.io/vsociety/posts/polyfillio-in-pdoc-cve-2024-38526
- https://pypi.org/project/pdoc
- https://github.com/advisories/GHSA-5vgj-ggm4-fg62
Affected packages
PyPI / pdoc
Package
- Name
- pdoc
- View open source insights on deps.dev
- Purl
- pkg:pypi/pdoc
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed14.5.1
Affected versions
0.*
0.0.1
0.0.2
0.0.3
0.0.4
0.0.5
0.0.6
0.0.7
0.0.8
0.0.9
0.0.10
0.0.11
0.0.12
0.0.13
0.0.14
0.0.15
0.0.16
0.0.17
0.0.18
0.0.19
0.1.0
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.2.0
0.2.1
0.2.2
0.2.3
0.2.4
0.3.0
0.3.1
0.3.2
0.4
0.4.1
1.*
1.0.0
1.0.1
1.1.0
2.*
2.0.0
3.*
3.0.0
3.0.1
4.*
4.0.0
5.*
5.0.0
6.*
6.0.0
6.1.0
6.1.1
6.2.0
6.3.0
6.3.1
6.3.2
6.4.0
6.4.1
6.4.2
6.4.3
6.4.4
6.5.0
6.6.0
7.*
7.0.0
7.0.1
7.0.2
7.0.3
7.1.0
7.1.1
7.2.0
7.3.0
7.3.1
7.4.0
8.*
8.0.0
8.0.1
8.1.0
8.2.0
8.3.0
9.*
9.0.0
9.0.1
10.*
10.0.0
10.0.1
10.0.2
10.0.3
10.0.4
11.*
11.0.0
11.1.0
11.2.0
12.*
12.0.0
12.0.1
12.0.2
12.1.0
12.2.0
12.2.1
12.2.2
12.3.0
12.3.1
13.*
13.0.0
13.0.1
13.1.0
13.1.1
14.*
14.0.0
14.1.0
14.2.0
14.3.0
14.4.0
14.5.0