CVE-2026-5559
Medium
Description
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 of special elements used in a template engine. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
SeverityMedium
CVSS6.3
Exploit probability—
ProductPyblade
PublishedApr 5, 2026
First seenApr 5, 2026
Weakness typeCWE-1336CWE-1336CWE-791CWE-791
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pybladePyPI | 0.1.8-alpha ≤ v ≤ 0.2.0-alpha | — |
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