CVE-2026-82411 (GCVE-0-2026-82411)
Vulnerability from cvelistv5 – Published: 2026-10-28 22:40 – Updated: 2026-10-29 17:20
VLAI
EPSS
VEX
Title
Objects API: Cross-object-type authorization bypass on the object history-detail endpoint
Summary
Open Object provides an API and admin interface to manage objects and object types. From 2.4.3 until 2.5.1, 3.6.2, 4.0.2, and 4.1.1, a token scoped to read one ObjectType can read the full versioned record of an object of any other ObjectType via the history-detail endpoint `GET /api/v2/objects/{uuid}/{index}`. The `history_detail` action in `src/objects/api/v2/views.py` calls `self.get_queryset()` and `get_object_or_404` directly instead of `self.get_object()`, so `check_object_permissions` and the per-object check in `ObjectTypeBasedPermission.has_object_permission` are not invoked. The queryset's `filter_for_token` applies only to the list and search actions, while `ObjectTypeBasedPermission.has_permission` allows non-create actions, leaving neither check to constrain history-detail records to the token's permitted ObjectType. The normal retrieve endpoint returns 403 for the same unauthorized object, and the sibling history action enforces the grant. Any valid non-superuser API token with a read grant on at least one ObjectType can therefore disclose another ObjectType's complete versioned object `data`, which can include citizen or case records and sensitive identifiers in government deployments. This issue is fixed in versions 2.5.1, 3.6.2, 4.0.2, and 4.1.1.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 15:30 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://github.com/maykinmedia/open-object/securi… | x_refsource_CONFIRM |
| https://github.com/maykinmedia/open-object/commit… | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/commit… | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/commit… | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/commit… | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/tree/2.5.1 | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/tree/3.6.2 | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/tree/4.0.2 | x_refsource_MISC |
| https://github.com/maykinmedia/open-object/tree/4.1.1 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| maykinmedia | open-object |
Affected:
>= 2.4.3, < 2.5.1
Affected: >= 3.0.0, < 3.6.2 Affected: >= 4.0.0-rc.1, < 4.0.2 Affected: >= 4.1.0, < 4.1.1 |
guessed |
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.