CVE-2025-7044: Ubuntu MAAS · Improper Privilege Management
Affects Ubuntu MAASSource CVE Database V5
Not known to be exploited · CVSS 7.7 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntuubuntu/maaspkg:deb/ubuntu/maasOther 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
1. Monitor Ubuntu and Canonical security advisories closely and apply patches or updates for MAAS versions 3.3.0 through 3.6.0 as soon as they become available. 2. Until patches are released, restrict network access to MAAS websocket endpoints using firewall rules and network segmentation to limit exposure to trusted administrators only. 3. Implement strict authentication and authorization controls, including multi-factor authentication for MAAS administrative accounts, to reduce risk from compromised credentials. 4. Enable detailed logging and monitoring of websocket traffic and user.update requests to detect anomalous attempts to inject or modify the is_superuser property or other privilege escalation indicators. 5. Conduct regular security audits and penetration testing focused on privilege escalation vectors within MAAS deployments. 6. Educate administrators about this vulnerability and encourage vigilance for suspicious activity. 7. Consider deploying Web Application Firewalls (WAFs) or intrusion detection systems (IDS) capable of inspecting websocket traffic for malicious payloads. 8. Review and minimize the number of users with access to MAAS and enforce the principle of least privilege.
Description
An Improper Input Validation vulnerability exists in the user websocket handler of MAAS. An authenticated, unprivileged attacker can intercept a user.update websocket request and inject the is_superuser property set to true. The server improperly validates this input, allowing the attacker to self-promote to an administrator role. This results in full administrative control over the MAAS deployment.