What is CVE-2026-88893?

CVE-2026-88893 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-10.

How severe is CVE-2026-88893?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Openpanel-Dev Openpanel

CVE-2026-88893

OpenPanel through 2.3.0 share lookup procedures fail to validate access controls and return password hashes and protected report definitions to unauthenticated callers. Attackers with a share link can retrieve argon2id password hashes and full report configurations including event names, filters, and breakdown dimensions for offline password cracking and business intelligence theft.

Vulnerability class: Information Disclosure

Published 2026-09-10 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.4th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Openpanel-Dev Openpanel

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/Openpanel-dev/openpanel/security/advisories/GHSA-7gv7-c464-9wh8 (vendor-advisory)
www.vulncheck.com/advisories/openpanel-unauthenticated-share-lookup-information… (third-party-advisory)
github.com/Openpanel-dev/openpanel/commit/5faad3226df8fe03bc9434dfd255afb3fcea4… (patch)

Frequently asked questions

What is CVE-2026-88893?: CVE-2026-88893 is a high-severity vulnerability in Openpanel-Dev Openpanel, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-10.
How severe is CVE-2026-88893?: High severity. CVSS v3 base score is 7.5 out of 10.