CVE-2026-102373 json
GestSup before 3.2.62 Private Ticket Comment Disclosure via threadedit Parameter
published last mo. modified last mo. also EUVD-2026-88597
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Is CVE-2026-102373 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
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- blog.spiizn.xyz https://blog.spiizn.xyz/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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
- GestSup GestSup
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
gestsup.fr
/index.php?page=download&channel=stable&version=3.2.62&type=patch
patch
-
blog.spiizn.xyz
/articles/remote-code-execution-turning-a-ticket-into-a-new-issue/
technical-description, exploit
-
gestsup.fr
/index.php?page=changelog
release-notes
-
gestsup.fr
/index.php?page=download
product
-
vulncheck.com
/advisories/gestsup-before-3.2.62-private-ticket-comment-disclosure-via-threadedit-parameter
third-party-advisory
Sources
- CVE List CVE-2026-102373
- NVD CVE-2026-102373
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.