What is CVE-2026-72564?

CVE-2026-72564 is a critical-severity vulnerability in Fosrl Pangolin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.6/10. Published 2026-08-10.

How severe is CVE-2026-72564?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Auth bypass in Fosrl Pangolin

CVE-2026-72564

An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-08-10 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.5th percentile), scored 2026-09-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Fosrl Pangolin — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-72564?: CVE-2026-72564 is a critical-severity vulnerability in Fosrl Pangolin, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.6/10. Published 2026-08-10.
How severe is CVE-2026-72564?: Critical severity. CVSS v3 base score is 9.6 out of 10.