Alinto SOGo up to 5.12.10 Password Reset Link Construction Origin redirect

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.38

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Alinto SOGo up to 5.12.10. This impacts an unknown function of the component Password Reset Link Construction. This manipulation of the argument Origin causes redirect. This vulnerability is tracked as CVE-2026-93453. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Alinto SOGo up to 5.12.10 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Password Reset Link Construction. The manipulation of the argument Origin with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. The summary by CVE is:

SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.

The advisory is shared at sogo.nu. This vulnerability is known as CVE-2026-93453 since 09/18/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

Upgrading to version 5.12.11 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SOGo 5.12.11

Timelineinfo

09/17/2026 VulDB entry created
09/18/2026 +0 days Advisory disclosed
09/18/2026 +0 days CVE reserved
09/18/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: sogo.nu
Status: Confirmed

CVE: CVE-2026-93453 (🔒)
GCVE (CVE): GCVE-0-2026-93453
GCVE (VulDB): GCVE-100-407317

Entryinfo

Created: 09/18/2026 01:40
Changes: 09/18/2026 01:40 (76)
Complete: 🔍
Cache ID: 216::103

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