CVE-2026-104973 Plane - Server Side Request Forgery

Plane < 1.4.0 contains a server side request forgery caused by improper IP validation in webhook delivery task allowing DNS rebinding to bypass SSRF protection, letting attackers perform SSRF via DNS rebinding, exploit requires DNS rebinding capability.

CVSS base score 7.6 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.27% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server Side Request Forgery
Impact
Server Side Request Forgery
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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