How severe is CVE-2026-2817?

CVE-2026-2817 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-2817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2817?

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

Does CVE-2026-2817 have an EU (EUVD) identifier?

Yes. CVE-2026-2817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7800.

When was CVE-2026-2817 published?

CVE-2026-2817 was published on 2026-02-19 and last updated on 2026-06-17.

CVE-2026-2817

CVE-2026-2817 is a medium-severity vulnerability with a CVSS 3.x base score of 4.4. 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-378.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v4: 4.8
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7800
Weakness: CWE-378
Published: 2026-02-19
Last modified: 2026-06-17

Description

Use of insecure directory in Spring Data Geode snapshot import extracts archives into predictable, permissive directories under the system temp location. On shared hosts, a local user with basic privileges can access another user’s extracted snapshot contents, leading to unintended exposure of cache data.

Frequently asked questions

What is CVE-2026-2817?: Use of insecure directory in Spring Data Geode snapshot import extracts archives into predictable, permissive directories under the system temp location. On shared hosts, a local user with basic privileges can access another user’s extracted snapshot contents, leading to unintended exposure of cache data.
How severe is CVE-2026-2817?: CVE-2026-2817 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-2817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2817 have an EU (EUVD) identifier?: Yes. CVE-2026-2817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7800.
When was CVE-2026-2817 published?: CVE-2026-2817 was published on 2026-02-19 and last updated on 2026-06-17.

References

https://www.herodevs.com/vulnerability-directory/cve-2026-2817

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