Security features bypass in Jinja - CVE-2024-56326

Vulnerability identifier: #VU101972

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2024-56326

CWE-ID: CWE-254

Exploitation vector: Local access

Exploit availability: No public exploit available

Vendor: The Pallets Projects

Affected software:
Jinja

The vulnerability allows a local user to bypass sandbox restrictions.

The vulnerability exists in the way the Jinja sandboxed environment detects calls to str.format.  A local user with the ability to control the contents of a template can bypass sandbox restrictions.

Install updates from vendor's website.

• https://github.com/pallets/jinja/commit/48b0687e05a5466a91cd5812d604fa37ad0943b4
• https://github.com/pallets/jinja/releases/tag/3.1.5
• https://github.com/pallets/jinja/security/advisories/GHSA-q2x7-8rv6-6q7h