CVE-2026-82029 (GCVE-0-2026-82029)
Vulnerability from cvelistv5 – Published: 2026-11-04 18:18 – Updated: 2026-11-05 19:10 X_Open Source
VLAI
EPSS
VEX
Title
Invoice Ninja < 5.13.28 Broken Access Control via Vendor Portal
Summary
Invoice Ninja before 5.13.28 contains a broken access control vulnerability that allows authenticated vendor-portal contacts to access documents belonging to other vendors and clients by exploiting authorization checks that validate only company_id scope instead of vendor ownership. Attackers can request GET /vendor/documents/{hashid}/download or POST /vendor/documents/download_multiple, enumerating predictable sequential Hashids document identifiers due to a default empty HASH_SALT, to read any invoice PDFs, contracts, payment receipts, and expense attachments within the company.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-05 19:09 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/invoiceninja/invoiceninja/rele… | release-notes |
| https://github.com/invoiceninja/invoiceninja/comm… | patch |
| https://www.vulncheck.com/advisories/invoice-ninj… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| invoiceninja | invoiceninja |
Affected:
0 , < 5.13.28
(semver)
|
guessed |
Date Public
2026-07-18 00:00
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Sightings
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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They have not been verified by an analyst and are provided for guidance only.
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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.