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Vulnerabilities / CVE-2026-34444

critical

CVE-2026-34444

lupa: Lupa: Arbitrary Code Execution due to inconsistent attribute filtering

Published Modified CWE 284, 639, 914
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
GHSA7.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Red Hat8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by GHSA (high), Red Hat (high).

Description

Lupa integrates the runtimes of Lua or LuaJIT2 into CPython. In 2.6 and earlier, attribute_filter is not consistently applied when attributes are accessed through built-in functions like getattr and setattr. This allows an attacker to bypass the intended restrictions and eventually achieve arbitrary code execution.

Affected packages and fixed versions

SourcePackageFixed in
chainguardprefect, prefect-fips3.7.3-r0
debian 11python-lupano fix listed
debian 12python-lupano fix listed
debian 13python-lupano fix listed
debian 14python-lupano fix listed
echopython-lupano fix listed
pip::GitHub Security Advisory piplupano fix listed
rapidfort debian 12python-lupano fix listed
rapidfort debian 13python-lupano fix listed
Red Hatsatellite/foreman-mcp-server-rhel9no fix listed
Show all 11 entries from 10 sources
SourcePackageFixed in
chainguardprefect3.7.3-r0
chainguardprefect-fips3.7.3-r0
debian 11python-lupano fix listed
debian 12python-lupano fix listed
debian 13python-lupano fix listed
debian 14python-lupano fix listed
echopython-lupano fix listed
pip::GitHub Security Advisory piplupano fix listed
rapidfort debian 12python-lupano fix listed
rapidfort debian 13python-lupano fix listed
Red Hatsatellite/foreman-mcp-server-rhel9no fix listed

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.