How severe is CVE-2026-32286?

CVE-2026-32286 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-2026-32286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32286?

CVE-2026-32286 affects Jackc Pgproto3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32286?

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-2026-32286 have an EU (EUVD) identifier?

Yes. CVE-2026-32286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16347.

When was CVE-2026-32286 published?

CVE-2026-32286 was published on 2026-03-26 and last updated on 2026-07-01.

CVE-2026-32286

CVE-2026-32286 is a high-severity vulnerability in Jackc Pgproto3 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-129.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16347
Weakness: CWE-129
Affected product: Jackc Pgproto3
Published: 2026-03-26
Last modified: 2026-07-01

Description

The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.

Frequently asked questions

What is CVE-2026-32286?: The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.
How severe is CVE-2026-32286?: CVE-2026-32286 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-2026-32286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32286?: CVE-2026-32286 affects Jackc Pgproto3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32286?: 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-2026-32286 have an EU (EUVD) identifier?: Yes. CVE-2026-32286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16347.
When was CVE-2026-32286 published?: CVE-2026-32286 was published on 2026-03-26 and last updated on 2026-07-01.

References

Affected products (1)

cpe:2.3:a:jackc:pgproto3:*:*:*:*:*:go:*:*

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