EUVD-2026-81302
GHSA-c67v-vqrp-m5wj
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Network-reachable reconnect frame (AV:N), no special timing (AC:L), requires a low-privileged authenticated view session (PR:L), no victim interaction (UI:N); forged trusted state yields C:H/I:H but no availability impact.
Primary rating from Vendor (https://github.com/djust-org/djust).
CVSS VectorVendor: https://github.com/djust-org/djust
Lifecycle Timeline
5DescriptionCVE.org
Impact
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).
Patches
Fixed in djust 1.0.7. State snapshots are signed; unsigned or forged snapshots are rejected on the back-navigation restore path.
Workarounds
Do not enable state snapshots; do not hold authorization/ownership state in public view attributes.
AnalysisAI
Unsigned client-side view state in the djust Python framework (pip/djust, versions before 1.0.7) is restored as trusted state on WebSocket reconnect, allowing an authenticated low-privileged user to tamper with the embedded state_json snapshot and inject arbitrary view attributes such as is_admin, account_id, or balance, achieving privilege escalation and business-state manipulation. The attack is network-reachable, requires no victim interaction, and yields high confidentiality and integrity impact (CVSS 3.1 base 8.1, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N), but only affects views that opt into the non-default state-snapshot feature and that store authorization or ownership data in public view attributes. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires all of the following: (1) the target djust view must opt into state snapshots (a non-default feature the vendor's workaround says to disable), (2) the application must hold authorization or ownership state such as is_admin, account_id, or balance in public view attributes, and (3) the attacker must have a low-privileged authenticated session able to trigger a back-navigation reconnect mount frame (PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, base 8.1) is internally consistent with the described flaw: a network-reachable, low-complexity attack requiring only a low-privileged authenticated session (any client that can hold a view), yielding high confidentiality and integrity impact via privilege escalation, with no availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to djust 1.0.7 (vendor-released patch: 1.0.7), which adds snapshot signing and rejects unsigned or forged snapshots on the reconnect and back-navigation restore paths; installations pinning an earlier version must bump the pip/djust dependency. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all applications using the djust framework at versions below 1.0.7 and temporarily disable the non-default state-snapshot feature or block WebSocket reconnection paths that restore unsigned state; also verify that authorization or ownership data is not stored in public view attributes. …
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External POC / Exploit Code
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