Invoice Ninja before 5.13.28 contains a broken access control vulnerability that allows authenticated vendor-portal
Source GCVE Database
Not known to be exploited · CVSS 7.1 High : upgrade to 5.13.28 soon.
Data as of 4 Nov 2026, 22:54 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 7.1 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 6.5 |
- Patch
- Available – fixed in 5.13.28
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 4 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade invoiceninja to 5.13.28.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| invoiceninjainvoiceninja | Affected
| Fixed in
|
GitHubinvoiceninjapkg:github/invoiceninjaOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restricting access to authenticated vendor-portal users and reviewing HASH_SALT configuration to avoid predictable Hashids may reduce risk.
Description
Invoice Ninja versions before 5.13.28 have a broken access control vulnerability that allows authenticated vendor-portal users to access documents of other vendors and clients. This occurs because authorization checks validate only company_id scope instead of verifying vendor ownership. Attackers can exploit predictable sequential Hashids document identifiers due to a default empty HASH_SALT to download invoice PDFs, contracts, payment receipts, and expense attachments belonging to other vendors within the same company.
References
- nvd.nist.gov/vuln/detail/CVE-2026-82029 (opens in a new tab)
- github.com/invoiceninja/invoiceninja/commit/4895dce820e37b849b34af46548afd8520bb81d1 (opens in a new tab)
- github.com/invoiceninja/invoiceninja/releases/tag/v5.13.28 (opens in a new tab)
- vulncheck.com/advisories/invoice-ninja-broken-access-control-via-vendor-portal (opens in a new tab)