How severe is CVE-2025-9868?

CVE-2025-9868 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2025-9868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9868?

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-2025-9868 have an EU (EUVD) identifier?

Yes. CVE-2025-9868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33291.

When was CVE-2025-9868 published?

CVE-2025-9868 was published on 2025-10-08 and last updated on 2026-06-17.

CVE-2025-9868

CVE-2025-9868 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-918.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33291
Weakness: CWE-918
Published: 2025-10-08
Last modified: 2026-06-17

Description

Server-Side Request Forgery (SSRF) in the Remote Browser Plugin in Sonatype Nexus Repository 2.x up to and including 2.15.2 allows unauthenticated remote attackers to exfiltrate proxy repository credentials via crafted HTTP requests.

Frequently asked questions

What is CVE-2025-9868?: Server-Side Request Forgery (SSRF) in the Remote Browser Plugin in Sonatype Nexus Repository 2.x up to and including 2.15.2 allows unauthenticated remote attackers to exfiltrate proxy repository credentials via crafted HTTP requests.
How severe is CVE-2025-9868?: CVE-2025-9868 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2025-9868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9868?: 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-2025-9868 have an EU (EUVD) identifier?: Yes. CVE-2025-9868 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33291.
When was CVE-2025-9868 published?: CVE-2025-9868 was published on 2025-10-08 and last updated on 2026-06-17.

References

https://support.sonatype.com/hc/en-us/articles/45363201583635

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