How severe is CVE-2025-27778?

CVE-2025-27778 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27778?

CVE-2025-27778 affects Applio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27778?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-27778 have an EU (EUVD) identifier?

Yes. CVE-2025-27778 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6790.

When was CVE-2025-27778 published?

CVE-2025-27778 was published on 2025-03-19 and last updated on 2026-06-17.

CVE-2025-27778

CVE-2025-27778 is a critical-severity vulnerability in Applio with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.9
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6790
Weakness: CWE-502
Affected product: Applio
Published: 2025-03-19
Last modified: 2026-06-17

Description

Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to unsafe deserialization in `infer.py`. The issue can lead to remote code execution. As of time of publication, a fix is available on the `main` branch of the Applio repository but not attached to a numbered release.

Frequently asked questions

What is CVE-2025-27778?: Applio is a voice conversion tool. Versions 3.2.8-bugfix and prior are vulnerable to unsafe deserialization in `infer.py`. The issue can lead to remote code execution. As of time of publication, a fix is available on the `main` branch of the Applio repository but not attached to a numbered release.
How severe is CVE-2025-27778?: CVE-2025-27778 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27778 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27778?: CVE-2025-27778 affects Applio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27778?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-27778 have an EU (EUVD) identifier?: Yes. CVE-2025-27778 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6790.
When was CVE-2025-27778 published?: CVE-2025-27778 was published on 2025-03-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:applio:applio:*:*:*:*:*:*:*:*

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