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.

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: 0.003 (23.5th 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

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (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.