CVE-2026-54004: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with content.fileRedirects enabled could redirect unauthenticated clean file URL requests f
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites with content.fileRedirects enabled could redirect unauthenticated clean file URL requests for files stored in top-level draft pages to physical media URLs without checking page access permissions or preview tokens, leading to disclosure of draft file contents. This issue is fixed in versions 4.9.4 and 5.4.4.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-54004
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-540040.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-54004 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Kirby is an
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-54005: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where…nvd · 2026-07-09
- unknownCVE-2026-54003: Kirby is an open-source content management system. Prior to 4.9.4 and from 5.4.4, Kirby sites …nvd · 2026-07-09
- unknownCVE-2026-54002: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and p…nvd · 2026-07-09
- unknownCVE-2026-50188: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and p…nvd · 2026-07-09
- unknownCVE-2026-49276: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using…nvd · 2026-07-09
- unknownCVE-2026-49274: Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using…nvd · 2026-07-09
More from NVD Recent CVEs
- unknownCVE-2026-57828: The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload t…2026-07-11
- unknownCVE-2026-57827: The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that al…2026-07-11
- highCVE-2026-1359: The Genolve – AI image AI video generation plugin for WordPress is vulnerable to unauthorized m…2026-07-11
- highCVE-2026-9282: The W3 Total Cache plugin for WordPress is vulnerable to Directory Traversal in all versions up…2026-07-11
- mediumCVE-2026-9017: The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to autho…2026-07-11