CVE-2026-71288
SQL injection in Koha guided report builder via unvalidated ORDER BY parameters
Is CVE-2026-71288 being exploited?
Not confirmed. CVE-2026-71288 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.30% probability of exploitation in the next 30 days.
How severe is CVE-2026-71288?
CVE-2026-71288 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-71288?
Not known from our data. No patch reference has been recorded for CVE-2026-71288, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-71288 affect?
CVE-2026-71288 affects Koha (guided_reports.pl), C4::Reports::Guided module. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71288?
Apply vendor patch when available; restrict report permissions and implement ORDER BY allowlist/WAF rules.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated staff with create_reports/execute_reports can perform time-based blind SQLi to extract patron PII and staff/LDAP credentials or disrupt DB queries.
Immediate action required
- affected<= 26.05.01-1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.