How severe is CVE-2026-27697?

CVE-2026-27697 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27697?

CVE-2026-27697 affects Basercms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27697?

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

Does CVE-2026-27697 have an EU (EUVD) identifier?

Yes. CVE-2026-27697 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17257.

When was CVE-2026-27697 published?

CVE-2026-27697 was published on 2026-03-31 and last updated on 2026-06-17.

CVE-2026-27697

CVE-2026-27697 is a critical-severity vulnerability in Basercms with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.9
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17257
Weakness: CWE-89
Affected product: Basercms
Published: 2026-03-31
Last modified: 2026-06-17

Description

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a SQL injection vulnerability in blog posts. This issue has been patched in version 5.2.3.

Frequently asked questions

What is CVE-2026-27697?: baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a SQL injection vulnerability in blog posts. This issue has been patched in version 5.2.3.
How severe is CVE-2026-27697?: CVE-2026-27697 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27697?: CVE-2026-27697 affects Basercms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-27697 have an EU (EUVD) identifier?: Yes. CVE-2026-27697 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17257.
When was CVE-2026-27697 published?: CVE-2026-27697 was published on 2026-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*

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