Read the docs
TI-2026-65370 Aliases CVE-2026-102373GHSA-wcm4-67q4-6r6m

GestSup before 3.2.62 Private Ticket Comment Disclosure via threadedit Parameter

Priority MEDIUM 64CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00238 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GestSup (GestSup): 3.2.62

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GestSupGestSupbefore 3.2.623.2.62Patch availableCNA
  • GestSup VendorGestSup Affected before 3.2.62 Fixed in 3.2.62 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:gestsup:gestsup:*:*:*:*:*:*:*:*——GestSup
  • cpe:2.3:a:gestsup:gestsup:*:*:*:*:*:*:*:* Versions — — ·GestSup

Remediation

  • Fix · CNA GestSup (GestSup) Fixed in 3.2.62

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GestSup 3.2.62

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-65371 GestSup before 3.2.62 Stored XSS via Double-Decoded Email Subject in OAuth IMAP ConnectorPriority LOW 23
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-102373
  2. 2026-10-03 Alias added: GHSA-wcm4-67q4-6r6m

References

Exploit 1

Patch 1

Other 2

  • TI-2023-28509 A cross-site scripting (XSS) vulnerability in Gestsup v3.2.46 allows attackers to execute… CVSS 3.1MEDIUM 5.4
  • TI-2023-28510 A Cross-Site Request Forgery (CSRF) in Gestsup v3.2.46 allows attackers to arbitrarily… CVSS 3.1MEDIUM 4.3
  • TI-2021-11728 Gestsup before 3.2.10 allows account takeover through the password recovery functionality… CVSS 3.1CRITICAL 9.8
  • TI-2026-64662 GestSup before 3.2.62 Remote Code Execution via IMAP Attachment CVSS 4.0CRITICAL 9.2
  • TI-2026-17804 GestSup <= 3.2.60 CSRF Allows Privileged Actions CVSS 4.0HIGH 8.9
  • TI-2026-17806 GestSup < 3.2.60 SQL Injection in Ticket Creation CVSS 4.0HIGH 7.7
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences