# CVE-2026-56780: Modoboa IDOR in account password change API

Source: https://junglewise.ai/threats/cve-2026-56780-modoboa-idor-in-account-password-change-api  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-29. Updated: 2026-06-29  
License: CC BY 4.0 with a link back

CVE-2026-56780 · Severity: high · CVSS 7.5 · Published 2026-06-29

Modoboa is an open-source mail hosting and management platform. A security flaw in the platform's account management interface allows a domain administrator to reset the password of any other user, including system-wide super-administrators. This could lead to a complete takeover of the entire mail server infrastructure by a malicious or compromised administrative account.

Technologies: [Modoboa](https://junglewise.ai/threats/technologies/modoboa). Vendors: [Modoboa](https://junglewise.ai/threats/vendors/modoboa).

## Quick answers

**Is CVE-2026-56780 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-56780 being exploited in the wild.

**How severe is CVE-2026-56780?** High severity, with a CVSS score of 7.5, published 29 June 2026.

**Which products and versions are affected?** Modoboa before 2.9.0.

**Is there a fix for CVE-2026-56780?** A patch was published on 2026-05-27: Fix merged into master branch via pull request 4038 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-56780 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-56780?** Check whether you run Modoboa at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An Insecure Direct Object Reference (IDOR) vulnerability exists in the 'PUT /api/v1/accounts/{pk}/password/' endpoint of Modoboa. The application fails to properly validate that the authenticated domain administrator has the authority to modify the specific user account identified by the primary key ({pk}) in the request. By manipulating this identifier, an attacker with low-level domain administrative privileges can reset the password of any user, including super-administrators, bypassing object-level access controls. This vulnerability is addressed in version 2.9.0.

## Affected products

- Modoboa Modoboa before 2.9.0

## Timeline

- 2026-05-27: patched: Fix merged into master branch via pull request 4038
- 2026-06-29: disclosed: CVE published and NVD record created

## References

- [https://github.com/modoboa/modoboa/commit/a1878c4920a6e47c3217c6ff1ed4a8753c202661](https://github.com/modoboa/modoboa/commit/a1878c4920a6e47c3217c6ff1ed4a8753c202661)
- [https://github.com/modoboa/modoboa/pull/4038](https://github.com/modoboa/modoboa/pull/4038)
- [https://www.vulncheck.com/advisories/modoboa-insecure-direct-object-reference-in-account-password-change-api](https://www.vulncheck.com/advisories/modoboa-insecure-direct-object-reference-in-account-password-change-api)

## Related threats

- [Modoboa insecure direct object reference in auto-reply](https://junglewise.ai/threats/cve-2026-113599-modoboa-before-2-8-0-contains-an-insecure-direct-object)
- [Modoboa insecure direct object reference in alarm deletion](https://junglewise.ai/threats/cve-2026-113598-modoboa-before-2-8-0-contains-an-insecure-direct-object)