CVE-2026-72709 SPIP - Broken Access Control

SPIP < 4.4.18 contains a missing authorization vulnerability in administrative action endpoints under ecrire/action/ caused by lack of server-side permission checks via autoriser(), letting unauthenticated attackers perform privileged actions including password resets by supplying a valid HMAC-SHA256 nonce.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.66% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to version 4.4.18 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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