CVE-2026-113731

djust: Arbitrary absolute-path file read in the find_handlers_for_template MCP tool

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. From 0.9.0 until 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8, the find_handlers_for_template MCP tool in python/djust/mcp/server.py accepts an existing absolute template_path and reads it without restricting the resolved path to the project or configured template directories. A local MCP client can use the tool as a file existence and readability oracle and can obtain substrings that match the tool's dj-click, dj-submit, dj-change, dj-input, dj-keydown, or dj-keyup attribute pattern from files readable by the djust process. The maintainer assessment states that the MCP server communicates over local stdio as the same operating-system user and has no network listener, and the tool does not return arbitrary raw file contents. This issue is fixed in versions 1.0.10, 1.1.7, 1.2.4, and 1.3.0rc8.

Affected

djust-org · djust

CVSS v3.1 GITHUB

3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS

0.19% chance of exploitation in the next 30 days, 8th percentile

Published

2026-10-20

Updated

2026-10-28

Proof-of-concept exploits (1)

• advisories/GHSA-r57g-mc79-8hj2find archive

CVE references

• djust-org/djust/commit/45a5045793ebe7c9c2df86b0ad34275af6822619REFERENCE
• djust-org/djust/commit/744bccf699c65c815d9379b36236a7c5592a339bREFERENCE
• djust-org/djust/commit/85eed7caaf620bdb08986f2f3bb79432c0d3d715REFERENCE
• djust-org/djust/commit/a62caf6b4ef540ad688d4dfdfa407ff914c78728REFERENCE
• djust-org/djust/releases/tag/v1.0.10REFERENCE
• djust-org/djust/releases/tag/v1.1.7REFERENCE
• djust-org/djust/releases/tag/v1.2.4REFERENCE
• djust-org/djust/releases/tag/v1.3.0rc8REFERENCE
• djust-org/djust/security/advisories/GHSA-r57g-mc79-8hj2REFERENCE

References

• CVE Record
• NVD entry