How severe is CVE-2026-8047?

CVE-2026-8047 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-8047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8047?

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-2026-8047 have an EU (EUVD) identifier?

Yes. CVE-2026-8047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31800.

When was CVE-2026-8047 published?

CVE-2026-8047 was published on 2026-05-26 and last updated on 2026-06-17.

CVE-2026-8047

CVE-2026-8047 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-1284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31800
Weakness: CWE-1284
Published: 2026-05-26
Last modified: 2026-06-17

Description

The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.

Frequently asked questions

What is CVE-2026-8047?: The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
How severe is CVE-2026-8047?: CVE-2026-8047 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-8047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8047?: 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-2026-8047 have an EU (EUVD) identifier?: Yes. CVE-2026-8047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31800.
When was CVE-2026-8047 published?: CVE-2026-8047 was published on 2026-05-26 and last updated on 2026-06-17.

References

https://www.certvde.com/en/advisories/VDE-2026-057/

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