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CVE-2026-31886 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: March 13, 2026

Dagu - Path Traversal

Published: March 13, 2026Updated: March 13, 2026Remote Exploitable

Overview

Dagu < 2.2.4 contains a path traversal caused by lack of validation on dagRunId in inline DAG execution endpoints, letting attackers delete arbitrary directories including /tmp, exploit requires crafted dagRunId input.

Severity & Score

Severity: Critical

CVSS Score: 9.1

Impact

Attackers can delete arbitrary files/directories, causing denial of service and disruption of concurrent runs or entire system.

Mitigation

Update to version 2.2.4 or later.

References

https://github.com/dagu-org/dagu/commit/12c2e5395bd9331d49ca103593edfd0db39c4f38
https://github.com/dagu-org/dagu/security/advisories/GHSA-m4q3-457p-hh2x

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Details

CVE ID: CVE-2026-31886
Severity: Critical
CVSS Score: 9.1
Type: path_traversal
Status: new

CWE

CWE-22

CVSS Metrics

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