Plane Vulnerable to Full Read SSRF via Favicon Fetching in "Add Link" Feature
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
Plane is an an open-source project management tool. Prior to version 1.2.2, a Full Read Server-Side Request Forgery (SSRF) vulnerability has been identified in the "Add Link" feature. This flaw allows an authenticated attacker with general user privileges to send arbitrary GET requests to the internal network and exfiltrate the full response body. By exploiting this vulnerability, an attacker can steal sensitive data from internal services and cloud metadata endpoints. Version 1.2.2 fixes the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA plane (makeplane) Fixed in 1.2.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-27706
References
More makeplane Plane vulnerabilities
- TI-2024-32097 Plane allows server side request forgery via /_next/image endpoint CVSS 3.1CRITICAL 9.3
- TI-2026-34237 Authorization bypass in makeplane plane CVSS 3.1HIGH 8.3
- TI-2023-02127 Plane v0.7.1 - Unauthorized access to files CVSS 3.1HIGH 7.5
- TI-2026-28725 Plane has a Server-Side Request Forgery (SSRF) in Favicon Fetching CVSS 3.1HIGH 7.7
- TI-2026-28361 Plane IDOR: Cross-Project Issue Date Modification via Bulk Update Endpoint CVSS 3.1HIGH 7.7
- TI-2023-14603 Plane 0.7.1 - Insecure file upload CVSS 3.1HIGH 7.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences