Ansible Semaphore up to 2.8.88 api/auth.go improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Ansible Semaphore up to 2.8.88. This issue affects an unknown function of the file api/auth.go. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

api/auth.go in Ansible Semaphore before 2.8.89 mishandles authentication.

The weakness was released 03/19/2023 as 3e4a62b7f2b1ef0660c9fb839818a53c80a5a8b1. It is possible to read the advisory at The identification of this vulnerability is CVE-2023-28609 since 03/18/2023. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.8.89 eliminates this vulnerability. The upgrade is hosted for download at Applying the patch 3e4a62b7f2b1ef0660c9fb839818a53c80a5a8b1 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒



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


Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Semaphore 2.8.89
Patch: 3e4a62b7f2b1ef0660c9fb839818a53c80a5a8b1


03/18/2023 CVE reserved
03/19/2023 +1 days Advisory disclosed
03/19/2023 +0 days VulDB entry created
04/11/2023 +23 days VulDB last update


Advisory: 3e4a62b7f2b1ef0660c9fb839818a53c80a5a8b1
Status: Confirmed

CVE: CVE-2023-28609 (🔒)


Created: 03/19/2023 08:07 AM
Updated: 04/11/2023 10:58 PM
Changes: 03/19/2023 08:07 AM (44), 04/11/2023 10:58 PM (11)
Complete: 🔍


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