How severe is CVE-2026-8208?

CVE-2026-8208 has a CVSS 4.0 base score of 8.9, rated high severity.

Is CVE-2026-8208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8208?

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-2026-8208 have an EU (EUVD) identifier?

Yes. CVE-2026-8208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28898.

When was CVE-2026-8208 published?

CVE-2026-8208 was published on 2026-05-09 and last updated on 2026-06-17.

CVE-2026-8208

CVE-2026-8208 is a high-severity vulnerability with a CVSS 4.0 base score of 8.9. 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: High (CVSS 4.0 base score 8.9)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28898
Weakness: CWE-98
Published: 2026-05-09
Last modified: 2026-06-17

Description

Gibbon versions before v30.0.01 are affected by a local file inclusion vulnerability resulting in RCE by changing the report archive directory and forcing interpretation of a user provided .zip as PHP. Successful exploitation requires Teacher or higher privileges. Exploitation could result in compromise of the underlying web server.

Frequently asked questions

What is CVE-2026-8208?: Gibbon versions before v30.0.01 are affected by a local file inclusion vulnerability resulting in RCE by changing the report archive directory and forcing interpretation of a user provided .zip as PHP. Successful exploitation requires Teacher or higher privileges. Exploitation could result in compromise of the underlying web server.
How severe is CVE-2026-8208?: CVE-2026-8208 has a CVSS 4.0 base score of 8.9, rated high severity.
Is CVE-2026-8208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8208?: 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-2026-8208 have an EU (EUVD) identifier?: Yes. CVE-2026-8208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28898.
When was CVE-2026-8208 published?: CVE-2026-8208 was published on 2026-05-09 and last updated on 2026-06-17.

References

Other CWE-98 (PHP Remote File Inclusion) vulnerabilities

CVE-2025-25174 — Critical (CVSS 10.0): Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability…
CVE-2012-10025 — Critical (CVSS 10.0): The WordPress plugin Advanced Custom Fields (ACF) version 3.5.1 and below contains a remote file inclusion (RFI)…
CVE-2026-41228 — Critical (CVSS 9.9): Froxlor is open source server administration software. Prior to version 2.3.6, the Froxlor API endpoint…
CVE-2025-31340 — Critical (CVSS 9.9): A improper control of filename for include/require statement in PHP program vulnerability in the retrieve course…
CVE-2023-5199 — Critical (CVSS 9.9): The PHP to Page plugin for WordPress is vulnerable Local File Inclusion to Remote Code Execution in versions up to, and…
CVE-2026-7515 — Critical (CVSS 9.8): The BetterDocs Pro plugin for WordPress is vulnerable to Local File Inclusion in versions up to, and including, 3.8.0…

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