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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,12.3.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Grafana Alerting", "source": "cna", "vendor": "Grafana"}, "product": "grafana", "vendor": "grafana"}], "analysis": {"en": {"generated_at": "2026-04-15T19:24:50.861646+00:00", "value": {"mitigation_remediation": ["Upgrade Grafana to a version that includes the alerting fix, following the vendor\u2019s advisory.", "Re\u2011evaluate the assignment of the Contact Point Writer role and remove \u2018alert.notifications:write\u2019 and \u2018alert.notifications.receivers:test\u2019 permissions from users who do not need them, applying a least\u2011privilege model.", "Monitor audit logs for changes to webhook destinations and payloads, and consider disabling the test functionality or restricting its use until the vulnerability is mitigated."], "summary": {"action": "Apply patch", "impact": "Unauthorized modification and extraction of external webhook credentials"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Grafana\u2019s Alerting component. Any instance where the Contact Point Writer role \u2013 part of the basic Editor role \u2013 is assigned to a user can be exploited. Because the issue is tied to permissions rather than a specific version, all Grafana installations using the default roles are potentially impacted until the patch is applied.", "description_and_impact": "Users granted edit rights to a Grafana contact point can change the destination of that alerting webhook, even if they did not create it. By using the test functionality, an attacker can trigger the webhook and capture redacted secure settings, such as third\u2011party service tokens. The result is that compromised or new credentials are exposed, allowing the attacker to access and potentially control external services like Slack or other integrations.", "risk_and_exploitability": "The CVSS score of 1.3 categorizes the flaw as low severity. No EPSS score is reported and the vulnerability is not listed in CISA\u2019s KEV catalog, implying a low likelihood of widespread exploitation at present. However, the attack vector is likely internal and requires legitimate edit permissions. Once an attacker gains the ability to alter contact points and trigger tests, they can exfiltrate confidential tokens, leading to unauthorized access to third\u2011party services."}}}}, "created": "2026-04-15T19:30:12.383924+00:00", "updated": "2026-04-15T21:02:28.147299+00:00", "vendors": ["grafana", "grafana$PRODUCT$grafana"]}