CVSS 4.0
2.1 lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PCVE-2026-5559
Low (2.1). EPSS 0.3% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
6.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-791, CWE-1336
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-23jg-5f8m-gw8c | PyPI | pyblade | >=0.1.8-alpha <=0.2.0-alpha | no fix published |
| PYSEC-2026-2975 | PyPI | pyblade | >=0.1.8-alpha <=0.2.0-alpha | no fix published |