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Vulnerability record · CVE-2026-48708 · published 15 June 2026

CVE-2026-48708: Race condition vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.54% · top 56.9% CWE-362 · Race conditionCWE-567 · CWE-567 Deferred
7.5CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
24 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
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

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Source: NIST National Vulnerability Database (record CVE-2026-48708), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.