Medium severity · published Feb 24, 2026
CVE-2026-3054
Alinto SOGo cross site scripting
6.1
CVSS
0.5%
EPSS
No
On KEV
Description
A vulnerability was identified in Alinto SOGo 5.12.3/5.12.4. This impacts an unknown function. The manipulation of the argument hint leads to cross site scripting. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SO
SOGo · Alinto
5.12.3; 5.12.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3054
Permissions Required
https://vuldb.com/?ctiid.347412
Third Party Advisory
https://vuldb.com/?id.347412
Third Party Advisory
https://vuldb.com/?submit.757609
More from SOGo
8.8
CVE-2015-5395
Cross-site request forgery (CSRF) vulnerability in SOGo before 3.1.0
8.3
CVE-2026-93453
SOGo before 5.12.11 Password Reset Token Interception via Origin Header
7.1
CVE-2026-46446
SOGo before 5.12.7, when PostgreSQL or MariaDB is used, and cleartext passwords are stored, allows SQL injection
7.1
CVE-2026-46445
SOGo before 5.12.7, when PostgreSQL is used, allows SQL injection
6.5
CVE-2016-6188
Memory leak in SOGo 2.3.7 allows remote attackers to cause a denial of service (memory consumption) via a large number of attempts to upload a large attachment, related to…