Quick answers
- Is CVE-2026-91097 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91097 being exploited in the wild.
- How severe is CVE-2026-91097?
- Critical severity, with a CVSS score of 9.8, published 16 September 2026.
- Which products and versions are affected?
- HP HPLIP.
- Is there a fix for CVE-2026-91097?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-91097 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-91097?
- Check whether you run HPLIP, Hp Linux Imaging or Hp Printing. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
HP has patched multiple remotely exploitable vulnerabilities across HPLIP components. The vulnerabilities span several attack classes including remote code execution, privilege escalation, denial of service, and information disclosure, suggesting issues in multiple code paths (parsing, privilege handling, input validation). Attack vectors are primarily network-based or local depending on the specific vulnerability. Patches are now available from HP; administrators should apply updates immediately to all affected HPLIP installations.
Affected products
- HP HPLIP
Timeline
- 2026-09-16: disclosed