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VulnerabilityPublished

CVE-2026-17075: IBM · Improper Authentication

Affects IBMSource CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMAffected
  • 7.3 – 7.6
4 affected builds
Fixed in–

CPE configurations (8)

  • cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*

AI-suggested

Until a patch is released, consider restricting network access to affected systems and applying compensating controls to limit exposure to remote attackers.

Description

IBM i versions 7.3 through 7.6 contain an improper authentication vulnerability that could allow a remote attacker to obtain sensitive information and perform unauthorized operations due to improper validation of authentication tokens. The vulnerability has a medium severity rating with a CVSS score of 6.5. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.

References

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