What’s Vulnerable › Vulnerabilities

CVE-2026-116805: OpenPanel before 3.0.0 Information Disclosure of Ingestion Secret Hashes via client.list

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-26 · updated 2026-10-27
• Weakness: CWE-200

Description

OpenPanel before 3.0.0 contains an information disclosure vulnerability that allows read-level project members to obtain argon2id hashes of ingestion credentials through the client.list tRPC query. Attackers can request client.list with a project ID and receive full Client rows including the secret column, enabling offline verification of leaked secrets without audit trails.

Affected products

• Openpanel-dev openpanel: before 3.0.0 — fixed in 3.0.0

How to fix

Upgrade to a fixed version: Openpanel-dev openpanel 3.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/Openpanel-dev/openpanel/commit/e37d15cc2a2c908667593ff7a2ee40750f74ab5b
• https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-78w9-wwff-vxqc
• https://www.vulncheck.com/advisories/openpanel-before-3.0.0-information-disclosure-of-ingestion-secret-hashes-via-client-list

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