How severe is CVE-2026-34787?

CVE-2026-34787 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-34787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34787?

CVE-2026-34787 affects Emlog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34787?

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

Does CVE-2026-34787 have an EU (EUVD) identifier?

Yes. CVE-2026-34787 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18905.

When was CVE-2026-34787 published?

CVE-2026-34787 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-34787

CVE-2026-34787 is a medium-severity vulnerability in Emlog with a CVSS 3.x base score of 6.5. 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-98.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18905
Weakness: CWE-98
Affected product: Emlog
Published: 2026-04-03
Last modified: 2026-06-17

Description

Emlog is an open source website building system. In versions 2.6.2 and prior, a Local File Inclusion (LFI) vulnerability exists in admin/plugin.php at line 80. The $plugin parameter from the GET request is directly used in a require_once path without proper sanitization. If the CSRF token check can be bypassed (see potential bypass conditions), an attacker can include arbitrary PHP files from the server filesystem, leading to code execution. At time of publication, there are no publicly available patches.

Frequently asked questions

What is CVE-2026-34787?: Emlog is an open source website building system. In versions 2.6.2 and prior, a Local File Inclusion (LFI) vulnerability exists in admin/plugin.php at line 80. The $plugin parameter from the GET request is directly used in a require_once path without proper sanitization. If the CSRF token check can be bypassed (see potential bypass conditions), an attacker can include arbitrary PHP files from the server filesystem, leading to code execution. At time of publication, there are no publicly available patches.
How severe is CVE-2026-34787?: CVE-2026-34787 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-34787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34787?: CVE-2026-34787 affects Emlog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34787 have an EU (EUVD) identifier?: Yes. CVE-2026-34787 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18905.
When was CVE-2026-34787 published?: CVE-2026-34787 was published on 2026-04-03 and last updated on 2026-06-17.

References

https://github.com/emlog/emlog/security/advisories/GHSA-7mvq-qj5x-5phm

Affected products (1)

cpe:2.3:a:emlog:emlog:*:*:*:*:pro:*:*:*

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