Incorrect authorization in Atlassian Navigator Links
Priority LOW 21CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
The CustomAppsRestResource list resource in Atlassian Navigator Links before version 3.3.23, from version 4.0.0 before version 4.3.7, from version 5.0.0 before 5.0.1, and from version 5.1.0 before 5.1.1 allows remote attackers to enumerate all linked applications, including those that are restricted or otherwise hidden, through an incorrect authorization check.
Why it matters now
EPSS 0.0075 55th percentileScored 2026-11-07
Fix Fixed Navigator Links (Atlassian): 3.2.23, 4.3.7, 5.0.1 +1Crucible (Atlassian): 4.8.2+1 more product
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Atlassian | Navigator Links | before 3.2.23; 4.0.0 and later; before 4.3.7; 5.0.0 and later; before 5.0.1; 5.1.0 and later; before 5.1.1 | 3.2.23, 4.3.7, 5.0.1, 5.1.1 | Patch available | CNA |
| Atlassian | Crucible | before 4.8.2 | 4.8.2 | Patch available | CNA |
| Atlassian | Fisheye | before 4.8.2 | 4.8.2 | Patch available | CNA |
- Navigator Links VendorAtlassian Affected before 3.2.23; 4.0.0 and later; before 4.3.7; 5.0.0 and later; before 5.0.1; 5.1.0 and later; before 5.1.1 Fixed in 3.2.23, 4.3.7, 5.0.1, 5.1.1 Patch available CNA
- Crucible VendorAtlassian Affected before 4.8.2 Fixed in 4.8.2 Patch available CNA
- Fisheye VendorAtlassian Affected before 4.8.2 Fixed in 4.8.2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:atlassian:navigator_links:*:*:*:*:*:fisheye:*:* | before 3.3.23; 4.0.0 to before 4.3.7; 5.0.0 to before 5.0.1; 5.1.0 to before 5.1.1 | Vulnerable | Atlassian |
- cpe:2.3:a:atlassian:navigator_links:*:*:*:*:*:fisheye:*:* Versions before 3.3.23; 4.0.0 to before 4.3.7; 5.0.0 to before 5.0.1; 5.1.0 to before 5.1.1 Vulnerable ·Atlassian
Remediation
- Fix · CNA Navigator Links (Atlassian) Fixed in 3.2.23, 4.3.7, 5.0.1, 5.1.1
- Fix · CNA Crucible (Atlassian) Fixed in 4.8.2
- Fix · CNA Fisheye (Atlassian) Fixed in 4.8.2
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4026
- 2026-10-03 Alias added: GHSA-5x3c-hcgh-mgxq
References
Sources
- CVE-2020-4026 · CVE Program
- CVE-2020-4026 · NVD
- FIRST EPSS
- GHSA-5x3c-hcgh-mgxq · 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