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CVE-2026-82029VulnerabilityPublished

Invoice Ninja before 5.13.28 contains a broken access control vulnerability that allows authenticated vendor-portal

Source GCVE Database

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Authoritative record:CVE-2026-82029· High 7.1

Not known to be exploited · CVSS 7.1 High : upgrade to 5.13.28 soon.

Data as of 4 Nov 2026, 22:54 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.07.1
CNA (VulnCheck)CVSS 3.16.5
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
invoiceninjainvoiceninjaAffected
  • <5.13.28
Fixed in
  • 5.13.28
GitHubinvoiceninjapkg:github/invoiceninjaOther threatsAffected
  • <5.13.28
Fixed in
  • 5.13.28

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

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