How severe is CVE-2026-8704?

CVE-2026-8704 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-8704 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-2026-8704?

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

Does CVE-2026-8704 have an EU (EUVD) identifier?

Yes. CVE-2026-8704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30668.

When was CVE-2026-8704 published?

CVE-2026-8704 was published on 2026-05-15 and last updated on 2026-06-17.

CVE-2026-8704

CVE-2026-8704 is a medium-severity vulnerability 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-552.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30668
Weakness: CWE-552
Published: 2026-05-15
Last modified: 2026-06-17

Description

Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.

Frequently asked questions

What is CVE-2026-8704?: Crypt::DSA versions through 1.19 for Perl use 2-args open, allowing existing files to be modified.
How severe is CVE-2026-8704?: CVE-2026-8704 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-8704 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-2026-8704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8704 have an EU (EUVD) identifier?: Yes. CVE-2026-8704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30668.
When was CVE-2026-8704 published?: CVE-2026-8704 was published on 2026-05-15 and last updated on 2026-06-17.

References

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