CVE-2026-30242

HIGH
2026-03-06 [email protected] GHSA-fpx8-73gf-7x73
8.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 06, 2026 - 22:16 nvd
HIGH 8.5

Tags

SSRF Plane

Description

Plane is an an open-source project management tool. Prior to version 1.2.3, the webhook URL validation in plane/app/serializers/webhook.py only checks ip.is_loopback, allowing attackers with workspace ADMIN role to create webhooks pointing to private/internal network addresses (10.x.x.x, 172.16.x.x, 192.168.x.x, 169.254.169.254, etc.). When webhook events fire, the server makes requests to these internal addresses and stores the response - enabling SSRF with full response read-back. This issue has been patched in version 1.2.3.

Analysis

Plane is an an open-source project management tool. [CVSS 8.5 HIGH]

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Remediation

Within 24 hours: Inventory all instances of Plane in use across the organization and identify systems containing sensitive project data. Within 7 days: Implement network segmentation to restrict Plane access to trusted internal networks only, disable unnecessary Plane features if possible, and monitor access logs for suspicious activity. …

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Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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CVE-2026-30242 vulnerability details – vuln.today
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