VulnerabilityAnalyzed
CVE-2026-17491
IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive.
MEDIUM 5.4EPSS 0.17%
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
Description
IBM i 7.3, 7.4, 7.5, and 7.6 is could allow a remote authenticated attacker to bypass security restrictions due to improper enforcement of the ChrootDirectory configuration directive.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- EPSS
- 0.17% probability · 7th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- ibm/i
- Source
- psirt@us.ibm.com
EPSS moved from 0.2% on 17 October 2026 to 0.2% on 27 October 2026.
References
- https://www.ibm.com/support/pages/node/7292273Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.