How severe is CVE-2025-71261?

CVE-2025-71261 has a CVSS 3.x base score of 8.6, rated high 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 high.

Is CVE-2025-71261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-71261?

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-2025-71261 have an EU (EUVD) identifier?

Yes. CVE-2025-71261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210170.

When was CVE-2025-71261 published?

CVE-2025-71261 was published on 2026-06-16 and last updated on 2026-06-17.

CVE-2025-71261

CVE-2025-71261 is a high-severity vulnerability with a CVSS 3.x base score of 8.6. 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-295.

Key facts

Severity: High (CVSS 3.x base score 8.6)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210170
Weakness: CWE-295
Published: 2026-06-16
Last modified: 2026-06-17

Description

An attacker with network-level access between the SUSE Virtualization and Rancher Manager in SUSE Harvester before 1.8.0 could interfere with the TLS handshake and abuse it to bypass TLS as a security control.

Frequently asked questions

What is CVE-2025-71261?: An attacker with network-level access between the SUSE Virtualization and Rancher Manager in SUSE Harvester before 1.8.0 could interfere with the TLS handshake and abuse it to bypass TLS as a security control.
How severe is CVE-2025-71261?: CVE-2025-71261 has a CVSS 3.x base score of 8.6, rated high 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 high.
Is CVE-2025-71261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-71261?: 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-2025-71261 have an EU (EUVD) identifier?: Yes. CVE-2025-71261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210170.
When was CVE-2025-71261 published?: CVE-2025-71261 was published on 2026-06-16 and last updated on 2026-06-17.

References

https://github.com/harvester/harvester/security/advisories/GHSA-pgh9-mpwc-8jjf

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