Auth bypass in Fosowl Agenticseek

CVE-2026-73039

streama contains an insecure direct object reference vulnerability in ViewingStatusController that allows authenticated users to read and delete other users' viewing status records. Attackers can enumerate all users' watch progress, delete arbitrary viewing history, and manipulate other users' Continue Watching dashboards by supplying arbitrary primary keys without ownership verification.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-73039: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-73039?
CVE-2026-73039 is a medium-severity vulnerability in Fosowl Agenticseek, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.4/10. Published 2026-08-13.
How severe is CVE-2026-73039?
Medium severity. CVSS v3 base score is 5.4 out of 10.