CVE-2026-26336 json
Hyland Alfresco Improper Authorization Arbitrary File Read
published 2026-02-19 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-8378
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
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.
Patch / fix
- Hyland Alfresco Enterprise 7.4.2.6, 23.6.1, 25.3.0
- Hyland Alfresco Community 25.3.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 8.7 | 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:X |
Affected products
- Hyland Alfresco Enterprise
- Hyland Alfresco Community
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
connect.hyland.com
/t5/alfresco-blog/cve-2026-26336-unauthenticated-arbitrary-file-read-in-alfresco/ba-p/496550
vendor-advisory, patch
-
hyland.com
/en/solutions/products/alfresco-platform
product
-
vulncheck.com
/advisories/hyland-alfresco-improper-authorization-arbitrary-file-read
third-party-advisory
Sources
- CVE List CVE-2026-26336
- NVD CVE-2026-26336
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