How severe is CVE-2026-32283?

CVE-2026-32283 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-2026-32283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32283?

CVE-2026-32283 affects Golang Go. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32283?

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.

Does CVE-2026-32283 have an EU (EUVD) identifier?

Yes. CVE-2026-32283 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20014.

When was CVE-2026-32283 published?

CVE-2026-32283 was published on 2026-04-08 and last updated on 2026-07-06.

CVE-2026-32283

CVE-2026-32283 is a high-severity vulnerability in Golang Go 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20014
Weakness: CWE-770
Affected product: Golang Go
Published: 2026-04-08
Last modified: 2026-07-06

Description

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

Frequently asked questions

What is CVE-2026-32283?: If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
How severe is CVE-2026-32283?: CVE-2026-32283 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-2026-32283 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32283?: CVE-2026-32283 affects Golang Go. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32283?: 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.
Does CVE-2026-32283 have an EU (EUVD) identifier?: Yes. CVE-2026-32283 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20014.
When was CVE-2026-32283 published?: CVE-2026-32283 was published on 2026-04-08 and last updated on 2026-07-06.

References

Affected products (1)

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

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