CVE-2026-5559

LOW EPSS 23.1%
Published Apr 5, 20262mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Apr 5, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
CVSS: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:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
23.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-1336
CWE-791

References 6

  • github.com https://github.com/AntaresMugisho/PyBlade/
  • github.com https://github.com/AntaresMugisho/PyBlade/issues/1
  • github.com https://github.com/AntaresMugisho/PyBlade/issues/1#issue-4086730906
  • vuldb.com https://vuldb.com/submit/782904
  • vuldb.com https://vuldb.com/vuln/355329
  • vuldb.com https://vuldb.com/vuln/355329/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.