CVE-2026-26336
Unauthenticated file read in Alfresco via /share/page/resource/ exposes config files.
Is CVE-2026-26336 being exploited?
Not confirmed. CVE-2026-26336 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-26336?
CVE-2026-26336 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-26336?
Yes. A fix has been recorded for CVE-2026-26336. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-26336 affect?
CVE-2026-26336 affects Hyland Alfresco. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-26336?
Patch when released; restrict endpoint access and monitor for exposure.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated access reads protected files (WEB-INF), leaking sensitive configurations.
Patch when possible
- affected< 25.3.0
- affected>= 7.4.0 and < 7.4.2.6
- affected>= 23.6.0 and < 23.6.1
- affected>= 25.1.0 and < 25.3.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.