CVE-2026-26336
Hyland Alfresco Improper Authorization Arbitrary File Read
- Published
- Feb 19, 2026
- Updated
- May 11, 2026
- Assigning CNA
- VulnCheck
- Evidence observed
- Aug 26, 2026
Primary CVSS
nvd · CVSS 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XLow · next 30 days
- Percentile
- 34.5%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Hyland Alfresco allows unauthenticated attackers to read arbitrary files from protected directories (like WEB-INF) via the "/share/page/resource/" endpoint, thus leading to the disclosure of sensitive configuration files.
Sources
1Proof-of-concept exploit for CVE-2026-26336, an unauthenticated path traversal in Alfresco Share allowing arbitrary file read within the webapp and co-deployed Tomcat instances.
Responsible use
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