What is CVE-2026-72691?

CVE-2026-72691 is a high-severity vulnerability, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2026-08-10.

How severe is CVE-2026-72691?

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

CVE-2026-72691

CVE-2026-72691

An authentication bypass vulnerability in OpenSignLabs opensignserver through 2.37.0 allows an unauthenticated remote attacker to mint MASTER_KEY-signed file access tokens for arbitrary stored files via the getsignedurl Parse cloud functio…

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.

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-72691?: CVE-2026-72691 is a high-severity vulnerability, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2026-08-10.
How severe is CVE-2026-72691?: High severity. CVSS v3 base score is 7.5 out of 10.