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.

Published 2026-08-26 · last modified 2026-09-03.

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.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored 2026-10-11.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Admin By Request (Abr) — versions 5.2.2 and below

Weakness classification (CWE)

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.