CVE-2026-105628 Plane - Server Side Request Forgery

Plane < 1.4.0 contains a server-side request forgery caused by lack of internal IP validation and default redirect following in OAuth avatar synchronization, letting attackers exfiltrate internal resources by uploading them as user avatars, exploit requires crafted avatar URL.

CVSS base score 7.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.29% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server Side Request Forgery
Impact
Server Side Request Forgery, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to version 1.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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