PatchTheCVECVE-2026-114401: Trudesk through 1.2.11 contains a regular expression injection vulnerability that allows unauthenticated attac
CVE-2026-114401 is a medium-severity flaw (CVSS 5.3) affecting trudesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Trudesk through 1.2.11 contains a regular expression injection vulnerability that allows unauthenticated attackers to enumerate usernames by submitting regex patterns to POST /api/v1/login. Attackers can send alternations or prefixes like (admin|root) or a.* and distinguish 'Invalid User' from 'Invalid Password' responses to discover valid accounts.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-943 |
| Published | 2026-10-21 |
| Last modified | 2026-10-29 |
Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-114401?
trudesk: upgrade to newer than 1.2.11. Exact commands for each OS are on this page.
Is CVE-2026-114401 being exploited?
CVE-2026-114401 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-114401 affect?
CVE-2026-114401 affects trudesk. Severity is medium (CVSS 5.3). Trudesk through 1.2.11 contains a regular expression injection vulnerability that allows unauthenticated attackers to enumerate usernames by submitting regex patterns to POST /api/v1/login. Attackers can send alternations or prefixes like (
How urgent is CVE-2026-114401?
Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action
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