How severe is CVE-2025-71390?

CVE-2025-71390 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-71390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-71390?

CVE-2025-71390 primarily affects Surrealdb. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-71390?

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.

When was CVE-2025-71390 published?

CVE-2025-71390 was published on 2026-07-18 and last updated on 2026-08-13.

CVE-2025-71390

CVE-2025-71390 is a high-severity vulnerability in Surrealdb with a CVSS 3.x base score of 8.8. 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 5.8
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Surrealdb
Published: 2026-07-18
Last modified: 2026-08-13

Description

SurrealDB before 2.2.6, 2.3.6, and 2.1.8 (and 3.0.0-alpha.7 and earlier) fails to validate DNS-resolved hostnames against --deny-net network access restrictions in its http::* functions. An authenticated user can invoke http::<fn>(<url>) with a hostname that resolves to a denied IP address, causing the server to issue the request anyway and return the response. This bypasses network access controls, allowing access to restricted internal endpoints and potentially retrieving or altering sensitive information and credentials, depending on the deployment.

Frequently asked questions

What is CVE-2025-71390?: SurrealDB before 2.2.6, 2.3.6, and 2.1.8 (and 3.0.0-alpha.7 and earlier) fails to validate DNS-resolved hostnames against --deny-net network access restrictions in its http::* functions. An authenticated user can invoke http::<fn>(<url>) with a hostname that resolves to a denied IP address, causing the server to issue the request anyway and return the response. This bypasses network access controls, allowing access to restricted internal endpoints and potentially retrieving or altering sensitive information and credentials, depending on the deployment.
How severe is CVE-2025-71390?: CVE-2025-71390 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-71390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-71390?: CVE-2025-71390 primarily affects Surrealdb. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-71390?: 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.
When was CVE-2025-71390 published?: CVE-2025-71390 was published on 2026-07-18 and last updated on 2026-08-13.

References

Affected products (8)

cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:surrealdb:surrealdb:3.0.0:alpha7:*:*:*:*:*:*

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