CVE-2023-22524 | BDVDB-2026-218599 Detail

AtlassianCompanion for Mac

Description#

Certain versions of the Atlassian Companion App for MacOS were affected by a remote code execution vulnerability. An attacker could utilize WebSockets to bypass Atlassian Companion’s blocklist and MacOS Gatekeeper to allow execution of code.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12023-12-06Record published in the CVE List.
Version 22026-02-25Most recent update recorded in the CVE List.

Published

Published: 2023-12-06
Last modified: 2026-02-25

Vendor information

Vendor: Atlassian
Product: Companion for Mac

All Atlassian vulnerabilities

Score

9.6 Critical

EPSS

24.7%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 97.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
< 1.0.0
Vulnerable
>= 1.0.0
Fixed
Not stated
Vulnerable
>= 1.1.0
Fixed
Not stated
Vulnerable
>= 1.2.0
Fixed
Not stated
Vulnerable
>= 1.2.2
Fixed
Not stated
Vulnerable
>= 1.2.3
Fixed
Not stated
Vulnerable
>= 1.2.4
Fixed
Not stated
Vulnerable
>= 1.2.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

9.6 Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).