How severe is CVE-2026-26336?

CVE-2026-26336 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-26336 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26336?

CVE-2026-26336 primarily affects Hyland Alfresco Content Services. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-26336?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26336 have an EU (EUVD) identifier?

Yes. CVE-2026-26336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8378.

When was CVE-2026-26336 published?

CVE-2026-26336 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-26336

CVE-2026-26336 is a high-severity vulnerability in Hyland Alfresco Content Services with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8378
Weakness: CWE-863
Affected product: Hyland Alfresco Content Services
Published: 2026-02-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-26336?: 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.
How severe is CVE-2026-26336?: CVE-2026-26336 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-26336 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26336?: CVE-2026-26336 primarily affects Hyland Alfresco Content Services. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-26336?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26336 have an EU (EUVD) identifier?: Yes. CVE-2026-26336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8378.
When was CVE-2026-26336 published?: CVE-2026-26336 was published on 2026-02-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:hyland:alfresco_content_services:*:*:*:*:community:*:*:*
cpe:2.3:a:hyland:alfresco_content_services:*:*:*:*:enterprise:*:*:*

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