How severe is CVE-2026-25760?

CVE-2026-25760 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-25760 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-25760?

CVE-2026-25760 affects Bishopfox Sliver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-25760?

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

Does CVE-2026-25760 have an EU (EUVD) identifier?

Yes. CVE-2026-25760 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5561.

When was CVE-2026-25760 published?

CVE-2026-25760 was published on 2026-02-06 and last updated on 2026-06-17.

CVE-2026-25760

CVE-2026-25760 is a medium-severity vulnerability in Bishopfox Sliver 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5561
Weakness: CWE-22
Affected product: Bishopfox Sliver
Published: 2026-02-06
Last modified: 2026-06-17

Description

Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.6.11, a path traversal in the website content subsystem lets an authenticated operator read arbitrary files on the Sliver server host. This is an authenticated path traversal / arbitrary file read issue, and it can expose credentials, configs, and keys. This vulnerability is fixed in 1.6.11.

Frequently asked questions

What is CVE-2026-25760?: Sliver is a command and control framework that uses a custom Wireguard netstack. Prior to 1.6.11, a path traversal in the website content subsystem lets an authenticated operator read arbitrary files on the Sliver server host. This is an authenticated path traversal / arbitrary file read issue, and it can expose credentials, configs, and keys. This vulnerability is fixed in 1.6.11.
How severe is CVE-2026-25760?: CVE-2026-25760 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-25760 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-25760?: CVE-2026-25760 affects Bishopfox Sliver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-25760?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-25760 have an EU (EUVD) identifier?: Yes. CVE-2026-25760 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5561.
When was CVE-2026-25760 published?: CVE-2026-25760 was published on 2026-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bishopfox:sliver:*:*:*:*:*:*:*:*

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