CVE-2026-88893: Information Disclosure (CVSS 7.5)

Description

OpenPanel 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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.24%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-7gv7-c464-9wh8 https://www.vulncheck.com/advisories/openpanel-unauthenticated-share-lookup-information-disclosure

Frequently Asked Questions

What is CVE-2026-88893? +

OpenPanel 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-88893? +

CVE-2026-88893 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-88893? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-88893