CVE-2026-114401 json
Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login
published 19d ago modified 11d ago also EUVD-2026-107248
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-114401 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 19d ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hackmd.io https://hackmd.io/@leediay/multiple-vuln-trudesk-1211 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- polonel trudesk
Classification
- Weakness
-
- CWE-943 Improper Neutralization of Special Elements in Data Query Logic
References
-
github.com
/polonel/trudesk/blob/v1.2.11/src/models/user.js#L310-L319
technical-description, patch
-
github.com
/polonel/trudesk/blob/v1.2.11/src/controllers/api/v1/common.js#L45-L65
technical-description, patch
-
hackmd.io
/@leediay/multiple-vuln-trudesk-1211
third-party-advisory, exploit
-
github.com
/polonel/trudesk
product
-
vulncheck.com
/advisories/trudesk-through-1.2.11-username-enumeration-via-regex-injection-in-api-v1-login
third-party-advisory
Sources
- CVE List CVE-2026-114401
- NVD CVE-2026-114401
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.