Vulnerability in Antaresmugisho Pyblade
CVE-2026-5559
A vulnerability has been found in AntaresMugisho PyBlade 0.1.8-alpha/0.1.9-alpha. The affected element is the function _is_safe_ast of the file sandbox.py of the component AST Validation. Such manipulation leads to improper neutralization…
EPSS: 0.000 (6.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Antaresmugisho Pyblade — versions 0.1.8-alpha, 0.1.9-alpha
Weakness classification (CWE)
References
- VDB-355329 | AntaresMugisho PyBlade AST Validation sandbox.py _is_safe_ast special elements used in a template engine (technical-description, vdb-entry)
- VDB-355329 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #782904 | AntaresMugisho PyBlade v0.1.8-alpha through v0.2.0-alph Code Injection (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-5559?
- CVE-2026-5559 is a medium-severity vulnerability in Antaresmugisho Pyblade, classified under CWE-791. CVSS score: 6.3/10. Published 2026-04-05.
- How severe is CVE-2026-5559?
- Medium severity. CVSS v3 base score is 6.3 out of 10.