CVE-2026-17491
IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH
02 Description
IBM i is Affected By An Improper Privilege Management Vulnerability in OpenSSH
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 6.3% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-16 18:38Z12 DAYS AGO
- Last updated
- 2026-10-19 14:23Z9 DAYS AGO
- Reserved
- 2026-07-26
- Assigning CNA
- ibm
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-269Improper Privilege ManagementClass
- Data version
- 5.2
- Document digest
- 4eb612f0b5d13a0ca2f55482e8d70fe7d8206a8b39008692848edb72f61c1e71
05 Affected products
06 References
07 Remediation
IBM i Release5733-SC1 PTF Number(s)PTF Download Link(s)7.6SJ11849 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11849 7.5SJ11850 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11850 7.4SJ11852 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852 7.3SJ11852 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11852 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.