9.8

CVE-2026-91099: hp inc. hp linux imaging and printing software (hplip) UNIX Symbolic Link (Symlink) Following

CVSS: 9.8v3.1CriticalAnalyzed
AliasesDEBIAN-CVE-2026-91099
Published 16-09-2026Last modified 17-09-2026
Open JSON

Vulnerability summary

CVE-2026-91099 is a critical (CVSS 9.8) UNIX Symbolic Link (Symlink) Following vulnerability in hp inc. hp linux imaging and printing software (hplip). EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.98%
0%100%
Low · +0.65 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5
OPENSUSE-SU-2026:11858-1RHSA-2026:82882RHSA-2026:82883SUSE-SU-2026:4335-1SUSE-SU-2026:4362-1SUSE-SU-2026:4364-1

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 17-09-2026
    Last modifiedVulnerability information updated.

Description

HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.98%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

+0.65 pp

From 0.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.98%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • hplipAll versions (No fix recorded)
Hp1 product
Hp inc.1 product

3 vendors · 3 products

References

2 links