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.
History

Mon, 15 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Description 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.
Title OliveTin has a Concurrent Template Parsing Race Condition which Leads to Cross-Request Command Contamination
Weaknesses CWE-362
CWE-567
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-15T19:59:27.859Z

Reserved: 2026-05-22T18:47:27.755Z

Link: CVE-2026-48708

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-15T21:17:15.570

Modified: 2026-06-15T21:17:15.570

Link: CVE-2026-48708

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.