CVE-2026-114400 (CVSS 5.9)

Description

Trudesk through 1.2.11 contains a missing authentication vulnerability that allows unauthenticated attackers to download private ticket attachments under /uploads. Because express.static serves the public/ directory before the hasAuth-guarded /uploads mount, attackers who know or guess a ticket ObjectId and filename can retrieve confidential attachments.

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CVSS v3.1 Score

5.9

MEDIUM

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

EPSS — Exploit Prediction

0.0050

Probability of exploitation

0.43%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-552 CWE-552

References

Other References

https://github.com/polonel/trudesk/issues/754 https://hackmd.io/@leediay/multiple-vuln-trudesk-1211 https://www.vulncheck.com/advisories/trudesk-through-1.2.11-missing-authentication-for-ticket-attachments-via-uploads https://zineausa.com/blog/2026/10/trudesk-1-2-11-unauthorized-ticket-access-idor/ https://hackmd.io/@leediay/multiple-vuln-trudesk-1211

Frequently Asked Questions

What is CVE-2026-114400? +

Trudesk through 1.2.11 contains a missing authentication vulnerability that allows unauthenticated attackers to download private ticket attachments under /uploads. Because express.static serves the public/ directory before the hasAuth-guarded /uploads mount, attackers who know or guess a ticket ObjectId and filename can retrieve confidential attachments. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2026-114400? +

CVE-2026-114400 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0050, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-114400? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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