What is CVE-2026-116819?

CVE-2026-116819 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under Information Disclosure. CVSS score: 8.5/10. Published 2026-10-27.

How severe is CVE-2026-116819?

High severity. CVSS v3 base score is 8.5 out of 10.

Information disclosure in Openpanel-Dev Openpanel

CVE-2026-116819

OpenPanel before 3.0.0 contains an information disclosure vulnerability that allows read-level project members to obtain plaintext integration secrets because the notification.rules query skips redactIntegration. Attackers can call the notification.rules tRPC query to retrieve Slack bot tokens, webhook URLs, and authorization headers for use against external systems.

Vulnerability class: Information Disclosure

Published 2026-10-27 · last modified 2026-10-27.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openpanel-Dev Openpanel

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/Openpanel-dev/openpanel/security/advisories/GHSA-wfrw-rm3f-52x8 (vendor-advisory)
github.com/Openpanel-dev/openpanel/commit/071c736c4539c005ac32647f2cfc6dec89cfb… (patch)
www.vulncheck.com/advisories/openpanel-before-3.0.0-credential-disclosure-via-n… (third-party-advisory)

Frequently asked questions

What is CVE-2026-116819?: CVE-2026-116819 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under Information Disclosure. CVSS score: 8.5/10. Published 2026-10-27.
How severe is CVE-2026-116819?: High severity. CVSS v3 base score is 8.5 out of 10.