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CVE-2026-17068

IBM i is Affected By Improper Authorization and Access Control Vulnerabilities in Network File System

Medium5.4EPSS 0.11%
Published
Updated
Reserved
Assigned by
ibm

Description

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to bypass NFS version restrictions due to improper enforcement of the export version flag.

Scores

CVSS scores of CVE-2026-17068, by who scored it
Scored byCVSSScoreVector
ibmCNA (assigner)3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVDNVD · Analyzed3.1Low3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.11% · top 99% of all CVEs (7 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 5.4.

Weakness

Affected products

  • IBM · i

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

What to do

Solution: Application of the PTFs require additional actions that if not taken will cause existing NFS mounts to become inaccessible. View each PTF's cover letter for the additional actions required prior to installation. IBM i Release5770-SS1  PTF Number(s)PTF Download Link(s)7.6SJ11753 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11753 7.5SJ11790 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11790 7.4SJ11802 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11802 7.3SJ11804 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11804 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 .