How severe is CVE-2025-48985?

CVE-2025-48985 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-48985 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48985?

CVE-2025-48985 primarily affects Vercel Ai. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-48985?

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

Does CVE-2025-48985 have an EU (EUVD) identifier?

Yes. CVE-2025-48985 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38188.

When was CVE-2025-48985 published?

CVE-2025-48985 was published on 2025-11-07 and last updated on 2026-06-17.

CVE-2025-48985

CVE-2025-48985 is a low-severity vulnerability in Vercel Ai with a CVSS 3.x base score of 3.7. 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-20.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-38188
Weakness: CWE-20
Affected product: Vercel Ai
Published: 2025-11-07
Last modified: 2026-06-17

Description

A vulnerability in Vercel’s AI SDK has been fixed in versions 5.0.52, 5.1.0-beta.9, and 6.0.0-beta. This issue may have allowed users to bypass filetype whitelists when uploading files. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk

Frequently asked questions

What is CVE-2025-48985?: A vulnerability in Vercel’s AI SDK has been fixed in versions 5.0.52, 5.1.0-beta.9, and 6.0.0-beta. This issue may have allowed users to bypass filetype whitelists when uploading files. All users are encouraged to upgrade. More details: https://vercel.com/changelog/cve-2025-48985-input-validation-bypass-on-ai-sdk
How severe is CVE-2025-48985?: CVE-2025-48985 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-48985 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48985?: CVE-2025-48985 primarily affects Vercel Ai. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-48985?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-48985 have an EU (EUVD) identifier?: Yes. CVE-2025-48985 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38188.
When was CVE-2025-48985 published?: CVE-2025-48985 was published on 2025-11-07 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta0:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta1:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta2:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta3:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta4:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta5:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta6:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta7:*:*:*:*:*:*
cpe:2.3:a:vercel:ai:5.1.0:beta8:*:*:*:*:*:*

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