Vulnerability · Published Sep 29, 2026 · Assigned by VulnCheck
CVE-2026-102373GestSup before 3.2.62 Private Ticket Comment Disclosure via threadedit Parameter
Medium 6.5
In plain English
A medium-severity authorization bypass via user-controlled key in GestSup from GestSup. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 85.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
GestSup versions before 3.2.62 fail to validate ticket ownership when loading comments via the threadedit parameter in thread.php. Authenticated attackers can enumerate sequential comment IDs to read private comments from other users' tickets without proper authorization checks.
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://gestsup.fr/index.php?page=changelog release-notes
- https://gestsup.fr/index.php?page=download product
- https://gestsup.fr/index.php?page=download&channel=stable&version=3.2.62&type=patch patch
- VulnCheck Advisory: GestSup before 3.2.62 Private Ticket Comment Disclosure via threadedit Parameter third-party-advisory
- https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/ technical-description, exploit