How severe is CVE-2026-45802?

CVE-2026-45802 has a CVSS 4.0 base score of 6.0, rated medium severity.

Is CVE-2026-45802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45802?

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

Does CVE-2026-45802 have an EU (EUVD) identifier?

Yes. CVE-2026-45802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36305.

When was CVE-2026-45802 published?

CVE-2026-45802 was published on 2026-06-11 and last updated on 2026-06-17.

CVE-2026-45802

CVE-2026-45802 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.0. 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-400.

Key facts

Severity: Medium (CVSS 4.0 base score 6.0)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36305
Weakness: CWE-400
Published: 2026-06-11
Last modified: 2026-06-17

Description

FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, an attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion or a script time-out. Repeated attacks can lead to sustained service unavailability. This issue has been patched in version 2.6.7.

Frequently asked questions

What is CVE-2026-45802?: FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. Prior to version 2.6.7, an attacker can upload a small, malicious PDF file that will cause the server-side script to crash due to memory exhaustion or a script time-out. Repeated attacks can lead to sustained service unavailability. This issue has been patched in version 2.6.7.
How severe is CVE-2026-45802?: CVE-2026-45802 has a CVSS 4.0 base score of 6.0, rated medium severity.
Is CVE-2026-45802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45802?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-45802 have an EU (EUVD) identifier?: Yes. CVE-2026-45802 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36305.
When was CVE-2026-45802 published?: CVE-2026-45802 was published on 2026-06-11 and last updated on 2026-06-17.

References

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