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CVE-2026-17488

IBM i is Affected By An Improper Authentication Vulnerability in SST / DST

Medium4.3EPSS 0.24%
Published
Updated
Reserved
Assigned by
ibm

Description

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.

Scores

CVSS scores of CVE-2026-17488, by who scored it
Scored byCVSSScoreVector
ibmCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVDNVD · Analyzed3.1Medium6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS (exploitation in 30 days)
0.24% · top 85% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • IBM · i

    • affected 7.6
    • affected 7.5
    • affected 7.4
    • affected 7.3

What to do

Solution: IBM i Release5770-999  PTF Number(s)PTF Download Link(s)7.6MJ11751 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11751 7.5MJ11749 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11749 7.4MJ11750 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11750 7.3MJ11748 https://www.ibm.com/mysupport/s/fix-information?legacy=MJ11748 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .