CVE-2026-45162
Pimcore unsafe PHP unserialize leads to object injection and possible remote code execution.
Is CVE-2026-45162 being exploited?
Not confirmed. CVE-2026-45162 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 0.99% probability of exploitation in the next 30 days.
How severe is CVE-2026-45162?
CVE-2026-45162 is rated High with a CVSS score of 8.0. 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-2026-45162?
Yes. A fix has been recorded for CVE-2026-45162. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45162 affect?
CVE-2026-45162 affects Pimcore <= 11.5.16 (LTS), Pimcore <= 12.3.6, lib/Tool/Authentication.php, models/Site/Dao.php, and 4 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45162?
Upgrade to 11.5.17 or 12.3.7; avoid/guard unserialize and validate serialized inputs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via PHP object injection when attacker controls serialized DB/files; arbitrary code as web user.
Immediate action required
- affected< 11.5.17
- affected>= 12.0.0 and < 12.3.7
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.