CVE-2026-116863 Tribulant Software Newsletters - Cross Site Request Forgery

Tribulant Software Newsletters newsletters-lite <= 4.18.2 contains a cross site request forgery vulnerability caused by lack of CSRF protection, letting attackers perform unauthorized actions via forged requests, exploit requires victim interaction.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Cross Site Request Forgery
Impact
Cross Site Request Forgery
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-352

Vendor fix

Update to the latest version beyond 4.18.2.

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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