What’s Vulnerable › Vulnerabilities

CVE-2020-29128

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-26 · updated 2026-06-17
• Weakness: CWE-91

Description

petl before 1.68, in some configurations, allows resolution of entities in an XML document.

Affected products

• Petl Project Petl: before 1.6.8 — fixed in 1.6.8

How to fix

Upgrade to a fixed version: Petl Project Petl 1.6.8. Check the vendor advisory for mitigations.

References

• https://github.com/nvn1729/advisories/blob/master/cve-2020-29128.md
• https://github.com/petl-developers/petl/compare/v1.6.7...v1.6.8
• https://github.com/petl-developers/petl/issues/526
• https://github.com/petl-developers/petl/pull/527
• https://github.com/petl-developers/petl/pull/527/commits/1b0a09f08c3cdfe2e69647bd02f97c1367a5b5f8
• https://github.com/petl-developers/petl/security/advisories/GHSA-f5gc-p5m3-v347
• https://petl.readthedocs.io/en/stable/changes.html
• https://github.com/nvn1729/advisories/blob/master/cve-2020-29128.md
• https://github.com/petl-developers/petl/compare/v1.6.7...v1.6.8
• https://github.com/petl-developers/petl/issues/526
• https://github.com/petl-developers/petl/pull/527
• https://github.com/petl-developers/petl/pull/527/commits/1b0a09f08c3cdfe2e69647bd02f97c1367a5b5f8

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