Read the docs
TI-2025-33539 Aliases CVE-2025-53603GHSA-78j7-w964-99fc

NULL pointer dereference in Alinto SOPE

Priority HIGH 72CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

In Alinto SOPE SOGo 2.0.2 through 5.12.2, sope-core/NGExtensions/NGHashMap.m allows a NULL pointer dereference and SOGo crash via a request in which a parameter in the query string is a duplicate of a parameter in the POST body.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00743 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
AlintoSOPESOGo 2.0.2 – 5.12.2—No fix listedCNA
  • SOPE VendorAlinto Affected SOGo 2.0.2 – 5.12.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53603
  2. 2026-10-03 Alias added: GHSA-78j7-w964-99fc

References

  • TI-2025-39345 Alinto Sogo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the theme parameter. CVSS 3.1MEDIUM 6.1
  • TI-2025-39344 alinto SOGo 5.12.3 is vulnerable to Cross Site Scripting (XSS) via the "userName" parameter. CVSS 3.1MEDIUM 6.1
  • TI-2026-02638 Alinto SOGo cross site scripting CVSS 4.0MEDIUM 5.3
  • TI-2026-62981 SOGo before 5.12.11 Password Reset Token Interception via Origin Header CVSS 4.0HIGH 8.7
  • TI-2015-04539 Cross-site request forgery (CSRF) vulnerability in SOGo before 3.1.0. CVSS 3.1HIGH 8.8
  • TI-2026-07774 SOGo < 5.12.8 SQL Injection via addUserInAcls endpoint CVSS 4.0HIGH 8.6
See all 20 →

Sources