Vulnerability · Published Oct 26, 2026 · Assigned by VulnCheck

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

Medium 4.3

In plain English

A medium-severity information exposure in openpanel from Openpanel-dev. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 87.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
Openpanel-dev	openpanel	0 – before 3.0.0

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-78w9-wwff-vxqc) vendor-advisory
https://github.com/Openpanel-dev/openpanel/commit/e37d15cc2a2c908667593ff7a2ee40750f74ab5b patch
VulnCheck Advisory: OpenPanel before 3.0.0 Information Disclosure of Ingestion Secret Hashes via client.list third-party-advisory