PYSEC-2026-26

At a glance

Published: 2026-02-13 12:16 UTC
Updated: 2026-05-20 09:18 UTC
CVE: CVE-2025-33042
Aliases: GHSA-rp46-r563-jrc7
CVSS_V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas. This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0. Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

Affected packages

Package	Versions
PyPI · avro	introduced 0, fixed 1.11.5

References

http://www.openwall.com/lists/oss-security/2026/02/12/2 ADVISORY
https://lists.apache.org/thread/fy88wmgf1lj9479vrpt12cv8x73lroj1 REPORT

Sources

Source	Licence
OSV.dev	CC-BY 4.0 — PyPA Advisory Database