What is CVE-2026-34191?

CVE-2026-34191 is a critical-severity vulnerability in Apache Apr-Util, classified under SQL Injection. CVSS score: 9.1/10. Published 2026-08-06.

How severe is CVE-2026-34191?

Critical severity. CVSS v3 base score is 9.1 out of 10.

SQL Injection in Apache Apr-Util

CVE-2026-34191

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Portable Runtime Utility via apr_dbd_oracle provider. This issue affects Apache Portable Runtime Utility: from 1.6.0 through 1.6.3

Vulnerability class: SQL Injection

Published 2026-08-06 · last modified 2026-10-24.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.1th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Apache Apr-Util
Apache Software Foundation Portable Runtime Utility — versions 1.6.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

lists.apache.org/thread/8xch90zogywwpo5wnsf4o088mkxy4qtf (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-34191?: CVE-2026-34191 is a critical-severity vulnerability in Apache Apr-Util, classified under SQL Injection. CVSS score: 9.1/10. Published 2026-08-06.
How severe is CVE-2026-34191?: Critical severity. CVSS v3 base score is 9.1 out of 10.