CVE-2026-48708

OliveTin gives access to predefined shell commands from a web interface. In versions 3000.0.0 and prior, the template engine uses a single shared text/template.Template instance (tpl package-level variable in service/internal/tpl/templates.go) across all goroutines. Every action execution calls tpl.Parse(source) followed by t.Execute() on this shared instance with no synchronization. When two or more actions execute concurrently (which is the normal case — each ExecRequest spawns a goroutine), a race condition occurs: one goroutine's Parse overwrites the template tree while another goroutine is calling Execute, causing cross-user command contamination, Go runtime panic, and incorrect command execution. This issue has been resolved in version 3000.13.0.

• CWE-362
• CWE-567

• https://github.com/OliveTin/OliveTin/commit/d74da9314005954dd49fa20dabf272247bc76519
• https://github.com/OliveTin/OliveTin/releases/tag/3000.13.0
• https://github.com/OliveTin/OliveTin/security/advisories/GHSA-7fq5-7wr8-rjwj
• https://github.com/OliveTin/OliveTin/security/advisories/GHSA-7fq5-7wr8-rjwj

Published

Jun 15, 2026

Last Modified

Jun 24, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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