Auth bypass in Publisherdesk The Publisher Desk Ads.txt

CVE-2026-39698

Missing Authorization vulnerability in PublisherDesk The Publisher Desk ads.txt the-publisher-desk-ads-txt allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects The Publisher Desk ads.txt: from n/a through <= 1.5.0.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.2% 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-2026-39698: 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-2026-39698?
CVE-2026-39698 is a medium-severity vulnerability in Publisherdesk The Publisher Desk Ads.txt, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-04-08.
How severe is CVE-2026-39698?
Medium severity. CVSS v3 base score is 5.3 out of 10.