CVE-2026-34444Lupa integrates the runtimes of Lua or LuaJIT2 into CPython.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 10.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-284, CWE-639, CWE-914
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
scoder lupa scoder:lupa | through 2.6 | NVD |
References
- https://github.com/scoder/lupa/security/advisories/GHSA-69v7-xpr6-6gjmexploit, vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:22993
- https://access.redhat.com/security/cve/CVE-2026-34444
- https://bugzilla.redhat.com/show_bug.cgi?id=2455413
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34444.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.