Unofficial Announcement: Misskey will also make a security release (v2026.3.1) after . Due to time zone differences, the Misskey release is expected to be several hours later than Sharkey's. Please be ready to update or apply patches, as these vulnerabilities are critical. (more info in thread)
This is your official notice that we'll be making a major security release for Sharkey tomorrow (between and ) in coordination with Misskey. Please be ready to patch your instances soon as humanly possible, as the vulnerabilities at play are extremely severe. Note that IceShrimp and Firefish derivatives are not affected, only direct forks of Misskey.