How severe is CVE-2026-27056?

CVE-2026-27056 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-27056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27056 have an EU (EUVD) identifier?

Yes. CVE-2026-27056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8001.

When was CVE-2026-27056 published?

CVE-2026-27056 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-27056

CVE-2026-27056 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8001
Weakness: CWE-862
Published: 2026-02-19
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through <= 3.2.8.

Frequently asked questions

What is CVE-2026-27056?: Missing Authorization vulnerability in StellarWP iThemes Sync ithemes-sync allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects iThemes Sync: from n/a through <= 3.2.8.
How severe is CVE-2026-27056?: CVE-2026-27056 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-27056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27056 have an EU (EUVD) identifier?: Yes. CVE-2026-27056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8001.
When was CVE-2026-27056 published?: CVE-2026-27056 was published on 2026-02-19 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/ithemes-sync/vulnerability/wordpress-ithemes-sync-plugin-3-2-8-broken-access-control-vulnerability?_s_id=cve

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