How severe is CVE-2026-33815?

CVE-2026-33815 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33815 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-2026-33815?

CVE-2026-33815 affects Jackc Pgx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33815?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-33815 have an EU (EUVD) identifier?

Yes. CVE-2026-33815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19707.

When was CVE-2026-33815 published?

CVE-2026-33815 was published on 2026-04-07 and last updated on 2026-06-30.

CVE-2026-33815

CVE-2026-33815 is a critical-severity vulnerability in Jackc Pgx with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19707
Weakness: CWE-787
Affected product: Jackc Pgx
Published: 2026-04-07
Last modified: 2026-06-30

Description

Memory-safety vulnerability in github.com/jackc/pgx/v5.

Frequently asked questions

What is CVE-2026-33815?: Memory-safety vulnerability in github.com/jackc/pgx/v5.
How severe is CVE-2026-33815?: CVE-2026-33815 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33815 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-2026-33815?: CVE-2026-33815 affects Jackc Pgx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-33815 have an EU (EUVD) identifier?: Yes. CVE-2026-33815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19707.
When was CVE-2026-33815 published?: CVE-2026-33815 was published on 2026-04-07 and last updated on 2026-06-30.

References

Affected products (1)

cpe:2.3:a:jackc:pgx:*:*:*:*:*:go:*:*

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