How severe is CVE-2026-39276?

CVE-2026-39276 has a CVSS 3.x base score of 7.2, rated high 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 high.

Is CVE-2026-39276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39276?

CVE-2026-39276 affects Emlog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39276?

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-2026-39276 have an EU (EUVD) identifier?

Yes. CVE-2026-39276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33351.

When was CVE-2026-39276 published?

CVE-2026-39276 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2026-39276

CVE-2026-39276 is a high-severity vulnerability in Emlog with a CVSS 3.x base score of 7.2. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33351
Weakness: CWE-22
Affected product: Emlog
Published: 2026-05-29
Last modified: 2026-06-17

Description

The template upload feature in Emlog Pro v2.6.9 has a path traversal vulnerability, allowing authenticated administrators to execute arbitrary PHP code. By uploading a malicious ZIP archive containing directory traversal sequences in filenames, an attacker can overwrite default template files or directly include malicious code files in the current template.

Frequently asked questions

What is CVE-2026-39276?: The template upload feature in Emlog Pro v2.6.9 has a path traversal vulnerability, allowing authenticated administrators to execute arbitrary PHP code. By uploading a malicious ZIP archive containing directory traversal sequences in filenames, an attacker can overwrite default template files or directly include malicious code files in the current template.
How severe is CVE-2026-39276?: CVE-2026-39276 has a CVSS 3.x base score of 7.2, rated high 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 high.
Is CVE-2026-39276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39276?: CVE-2026-39276 affects Emlog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39276?: 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-2026-39276 have an EU (EUVD) identifier?: Yes. CVE-2026-39276 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33351.
When was CVE-2026-39276 published?: CVE-2026-39276 was published on 2026-05-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emlog:emlog:2.6.9:*:*:*:pro:*:*:*

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