CVE-2026-16286
Unrestricted upload allows attackers to install web shells on TRtek repository servers.
Is CVE-2026-16286 being exploited?
Not confirmed. CVE-2026-16286 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-16286?
CVE-2026-16286 is rated Critical with a CVSS score of 9.8. 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-2026-16286?
Yes. A fix has been recorded for CVE-2026-16286. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16286 affect?
CVE-2026-16286 affects TRtek Software Repository Management (<2fb4acee), Web servers hosting the application. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16286?
Upgrade to commit 2fb4acee or later; restrict/validate uploads and scan for web shells.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can upload a web shell for remote code execution, full server compromise and lateral movement.
Immediate action required
- affected< 2fb4acee
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.