Certain versions of the Atlassian Companion App for MacOS were affected by a remote code…
Priority HIGH 76Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.24706 97th percentileScored 2026-11-07
Fix Fixed Companion for Mac (Atlassian): < 1.0.0, >= 2.0.0, >= 2.0.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Atlassian | Companion for Mac | >= 1.0.0; >= 1.1.0; >= 1.2.0; >= 1.2.2; >= 1.2.3; >= 1.2.4; >= 1.2.5; >= 1.2.6; >= 1.3.0; >= 1.3.1; >= 1.4.1; >= 1.4.2; >= 1.4.3; >= 1.4.4; >= 1.4.5; >= 1.4.6; >= 1.5.0; >= 1.6.0; >= 1.6.1 | < 1.0.0, >= 2.0.0, >= 2.0.1 | Patch available | CNA |
- Companion for Mac VendorAtlassian Affected >= 1.0.0; >= 1.1.0; >= 1.2.0; >= 1.2.2; >= 1.2.3; >= 1.2.4; >= 1.2.5; >= 1.2.6; >= 1.3.0; >= 1.3.1; >= 1.4.1; >= 1.4.2; >= 1.4.3; >= 1.4.4; >= 1.4.5; >= 1.4.6; >= 1.5.0; >= 1.6.0; >= 1.6.1 Fixed in < 1.0.0, >= 2.0.0, >= 2.0.1 Patch available CNA
Remediation
- Fix · CNA Companion for Mac (Atlassian) Fixed in < 1.0.0, >= 2.0.0, >= 2.0.1
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22524
- 2026-10-03 Alias added: GHSA-95xr-54m7-v6vf
References
More Atlassian Companion vulnerabilities
- TI-2020-03511 The file downloading functionality in the Atlassian Companion App before version 1.0.0… CVSS 3.1HIGH 7.2
- TI-2020-03510 Untrusted search path in Atlassian Companion App CVSS 3.1HIGH 7.8
Sources
- CVE-2023-22524 · CVE Program
- CVE-2023-22524 · NVD
- FIRST EPSS
- GHSA-95xr-54m7-v6vf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences