What is CVE-2026-78236?

CVE-2026-78236 is a high-severity vulnerability in Admin By Request (Abr), classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-08-26.

How severe is CVE-2026-78236?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Admin By Request (Abr)

CVE-2026-78236

An insecure PIN derivation mechanism in ABR allows a low-privileged user to escalate privileges to administrator by communicating over Cross-Process Communication (XPC) while masquerading as an Apple-signed process.

EPSS: 0.001 (4.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Admin By Request (Abr) — versions 5.2.2 and below

Weakness classification (CWE)

CWE-284 — Improper Access Control
CWE-285 — Improper Authorization
CWE-287 — Improper Authentication
CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 (vendor-advisory)

Frequently asked questions

What is CVE-2026-78236?: CVE-2026-78236 is a high-severity vulnerability in Admin By Request (Abr), classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-08-26.
How severe is CVE-2026-78236?: High severity. CVSS v3 base score is 8.8 out of 10.