What is CVE-2026-22820?

CVE-2026-22820 is a low-severity vulnerability in Akinloluwami Outray, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 3.7/10. Published 2026-01-14.

How severe is CVE-2026-22820?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Akinloluwami Outray

CVE-2026-22820

Outray openSource ngrok alternative. Prior to 0.1.5, a TOCTOU race condition vulnerability allows a user to exceed the set number of active tunnels in their subscription plan. This vulnerability is fixed in 0.1.5.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published 2026-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.8th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Akinloluwami Outray — versions < 0.1.5
Outray

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

github.com/outray-tunnel/outray/security/advisories/GHSA-3pqc-836w-jgr7 (Exploit, Vendor Advisory)
github.com/outray-tunnel/outray/commit/08c61495761349e7fd2965229c3faa8d7b1c1581 (Patch)

Frequently asked questions

What is CVE-2026-22820?: CVE-2026-22820 is a low-severity vulnerability in Akinloluwami Outray, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 3.7/10. Published 2026-01-14.
How severe is CVE-2026-22820?: Low severity. CVSS v3 base score is 3.7 out of 10.