xsouthcal1 (RubyGems) · Malicious Code
Affects xsouthcal1Source GCVE Database
Malicious package : remove xsouthcal1 and rotate any secrets on hosts that installed it.
Data as of 26 Oct 2026, 16:07 UTC
Malicious package
Published to RubyGems · OSV MAL-2026-9537
What to do
Remove xsouthcal1 from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
RubyGemsxsouthcal1pkg:gem/xsouthcal1Other threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
--- _-= Per source details. Do not edit below this line.=-_ ## Source: ghsa-malware (e6c84eb68cf31a90b8211cfc3e898e2e4c910c1ad4b2096a7c0cb7a1b8eb5e1a) --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/9fbb5fba02ba2f02395d3d2d43c31b2c482b7a9d/osv/malicious/rubygems/xsouthcal1/MAL-2026-9537.json))