CVE-2026-34191: Apache Portable Runtime Utility: SQL Injection in apr_dbd_oracle

criticalCVSS 9.1CVE-2026-34191

CSIRTS triage

vendor: Apache product: Portable Runtime Utility SQL injection

What: The apr_dbd_oracle database driver contains SQL injection vulnerabilities in parameter handling.
Who is affected: Applications using Apache APR Utility with Oracle database backends.
Urgency: Critical severity (CVSS 9.1); SQL injection enables arbitrary database access and data exfiltration.
Action: Update Apache Portable Runtime Utility to a patched version immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: critical — CVSS 9.1
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34191

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-341910.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-34191	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Apache Portable Runtime Utility

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-34501: Apache Portable Runtime Utility: Heap buffer overflow in APR redis clientmsrc · 2026-08-11
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highCVE-2026-34502: Apache Portable Runtime Utility: Heap buffer overflow in APR memcached clientmsrc · 2026-08-11
highCVE-2026-34502: Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility memcached client T…nvd · 2026-08-06
highCVE-2026-34501: Heap-based Buffer Overflow vulnerability in Apache Portable Runtime Utility redis client. This…nvd · 2026-08-06