How severe is CVE-2023-38976?

CVE-2023-38976 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-38976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38976?

CVE-2023-38976 affects Weaviate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38976?

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-2023-38976 published?

CVE-2023-38976 was published on 2023-08-21 and last updated on 2026-06-17.

CVE-2023-38976

CVE-2023-38976 is a high-severity vulnerability in Weaviate with a CVSS 3.x base score of 7.5. 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-617.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-617
Affected product: Weaviate
Published: 2023-08-21
Last modified: 2026-06-17

Description

An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest function.

Frequently asked questions

What is CVE-2023-38976?: An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest function.
How severe is CVE-2023-38976?: CVE-2023-38976 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-38976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38976?: CVE-2023-38976 affects Weaviate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38976?: 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-2023-38976 published?: CVE-2023-38976 was published on 2023-08-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:weaviate:weaviate:1.20.0:*:*:*:*:*:*:*

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Other CWE-617 (Reachable Assertion) vulnerabilities

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CVE-2026-31739 — High (CVSS 8.8): In the Linux kernel, the following vulnerability has been resolved: crypto: tegra - Add missing CRYPTO_ALG_ASYNC The…
CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

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