Quick answers
- Is CVE-2026-91105 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-91105 being exploited in the wild.
- How severe is CVE-2026-91105?
- 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-2026-91105?
- 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-2026-91105 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-91105?
- 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 vulnerabilities in HPLIP affecting several software components. These vulnerabilities span multiple attack classes including remote code execution, privilege escalation, denial of service, information disclosure, and unauthorized file modification. The vulnerabilities are remotely exploitable under certain conditions, though specific attack vectors and preconditions (such as authentication requirements or user interaction) are not detailed in the available advisory summary. Affected organizations should apply HP's published security patches immediately.
Affected products
- HP HPLIP
Timeline
- 2026-09-16: disclosed