CVE-2026-114401Medium· 5.3▾ TwilightPoC available

Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score41/ 100 · Moderate

impact 29.2 · likelihood 0.1 · exploitation 12

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

A public proof-of-concept already exists for this vulnerability — see Exploit availability below.

…

Published

Oct 21, 2026

Updated

Oct 21, 2026

CVSS

5.3

Vendor

polonel

Product

trudesk

CWE

CWE-943

Depth score

41 · Moderate

EPSS

0.44% · p38

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

decided 2026-10-21

Exploitation: poc
Automatable: yes
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 23.

0.4% → 0.4%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 9 days

Oct 21, 2026Published
Disclosed via CVEORG
Oct 21, 2026Public exploit observed
Exploit / PoC code exists
Oct 23, 2026EPSS first tracked
0.4%
Oct 30, 2026EPSS peak
0.4% → 0.4%

polonel CWE-943 #cve.org #exploit-available

Affected

trudesk <= 1.2.11

Full technical detail▾

Overview

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.

Affected

trudesk <= 1.2.11

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Change history

Field changes observed since this record was first indexed.

Oct 21, 2026Public exploit / PoC published

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org#exploit-available

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CVE-2026-114401Medium· 5.3▾ TwilightPoC available

Trudesk through 1.2.11 Username Enumeration via Regex Injection in /api/v1/login

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score41/ 100 · Moderate

impact 29.2 · likelihood 0.1 · exploitation 12

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

A public proof-of-concept already exists for this vulnerability — see Exploit availability below.

…

Published

Oct 21, 2026

Updated

Oct 21, 2026

CVSS

5.3

Vendor

polonel

Product

trudesk

CWE

CWE-943

Depth score

41 · Moderate

EPSS

0.44% · p38

Platforms

—

Source

CVEORG

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

decided 2026-10-21

Exploitation: poc
Automatable: yes
Technical impact: partial

EPSS history

Exploit-prediction probability, daily snapshots since Oct 23.

0.4% → 0.4%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 9 days

Oct 21, 2026Published
Disclosed via CVEORG
Oct 21, 2026Public exploit observed
Exploit / PoC code exists
Oct 23, 2026EPSS first tracked
0.4%
Oct 30, 2026EPSS peak
0.4% → 0.4%

polonel CWE-943 #cve.org #exploit-available

Affected

trudesk <= 1.2.11

Full technical detail▾

Overview

Affected

trudesk <= 1.2.11

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Change history

Field changes observed since this record was first indexed.

Oct 21, 2026Public exploit / PoC published

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org#exploit-available