CVE-2026-76635
Authenticated admin SQL injection in baserCMS allowing data exfiltration and PHP code injection.
Is CVE-2026-76635 being exploited?
Not confirmed. CVE-2026-76635 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-76635?
CVE-2026-76635 is rated High with a CVSS score of 8.6. 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-2026-76635?
Yes. A fix has been recorded for CVE-2026-76635. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76635 affect?
CVE-2026-76635 affects baserCMS < 5.3.0, PostgreSQL backends used by baserCMS, baserCMS backup/restore PHP schema files. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76635?
Upgrade to baserCMS 5.3.0, restrict admin access, rotate creds, validate backups
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated admin can inject table/config names to perform error-based SQLi, exfiltrate DB schema/data and enable PHP code execution via backup restore.
Immediate action required
- affected< 5.3.0
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.