CVE-2026-29784: Ghost has incomplete CSRF protections around OTC use

March 5, 2026

Incomplete CSRF protections around /session/verify made it possible to use OTCs in login sessions different from the requesting session. In some scenarios this might have made it easier for phishers to take over a Ghost site.

References

github.com/TryGhost/Ghost
github.com/TryGhost/Ghost/commit/ec065a774fa125953d2aa644a59cd8990329e0a0
github.com/TryGhost/Ghost/security/advisories/GHSA-9m84-wc28-w895
github.com/advisories/GHSA-9m84-wc28-w895
nvd.nist.gov/vuln/detail/CVE-2026-29784

Code Behaviors & Features

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