CVE-2026-6936
CVE-2026-6936 is a medium-severity vulnerability in Ibm I with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-32491
- Weakness: CWE-674
- Affected product: Ibm I
- Published:
- Last modified:
Description
IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a denial-of-service attack due to uncontrolled recursion in the Integrated Language Environment (ILE) compiler. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.
Frequently asked questions
- What is CVE-2026-6936?
- IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a denial-of-service attack due to uncontrolled recursion in the Integrated Language Environment (ILE) compiler. An authenticated attacker could exploit this vulnerability by compiling specially crafted source code containing a specific combination of statements.
- How severe is CVE-2026-6936?
- CVE-2026-6936 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-6936 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-6936?
- CVE-2026-6936 affects Ibm I. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-6936?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-6936 have an EU (EUVD) identifier?
- Yes. CVE-2026-6936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32491.
- When was CVE-2026-6936 published?
- CVE-2026-6936 was published on 2026-05-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ibm:i:*:*:*:*:*:*:*:*
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