CVE-2026-48708

OliveTin has a Concurrent Template Parsing Race Condition which Leads to Cross-Request Command Contamination

HIGH
7.5
CVSS Score
Published: June 15, 2026 at 07:59 PM UTC
Updated: June 24, 2026 at 05:20 PM UTC
1 product affected across 1 vendorOliveTin

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3000.13.0
Affected range stops below 3000.13.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-362CWE-567

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