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Octobercms is a self-hosted CMS platform based on the Laravel PHP Framework. Affected versions of OctoberCMS did not validate gateway server signatures. As a result non-authoritative gateway servers may be used to exfiltrate user private keys. Users are advised to upgrade their installations to build 474 or v1.1.10. The only known workaround is to manually apply the patch (e3b455ad587282f0fbcb7763c6d9c3d000ca1e6a) which adds server signature validation.
Use CWE-347, Octobercms vendor hub and October product page to widen CVE-2022-23655 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-61676, CVE-2025-61674 and CVE-2024-25837 for nearby disclosures in the same product family.