CVE-2026-26336Network attack vector

Unauthenticated file read via Share resource endpoint

Published Feb 19, 2026 · Updated Feb 19, 2026

Incorrect authorization in Hyland Alfresco Content Services editions allows remote attackers to read Share application files without authentication. The /share/page/resource/ endpoint serves crafted requests for protected paths, including WEB-INF, without enforcing authorization. No account or user interaction is required; access is confined to the Share web application directory and does not extend to the host filesystem.

CVSS severity8.7
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Hyland Alfresco Content Services editions allows remote attackers to read Share application files without authentication. The /share/page/resource/ endpoint serves crafted requests for protected paths, including WEB-INF, without enforcing authorization. No account or user interaction is required; access is confined to the Share web application directory and does not extend to the host filesystem.

The record

CVE
CVE-2026-26336
Published
Feb 19, 2026
Updated
Feb 19, 2026
Vendor
Hyland
Product
Alfresco Content Services
Classifications
CWE-863, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=23.6.x <23.6.1
  2. Affected versionversion=25.1.x <25.3.0
  3. Affected versionversion=7.4.x <7.4.2.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Hyland · Alfresco Content Servicesversion=23.6.x <23.6.1; version=25.1.x <25.3.0; version=7.4.x <7.4.2.6
Hyland · Alfresco Content Services Community Editionversion=0 <25.3.0

Published CVSS scores

7.5VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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