CVE-2026-16898
CVE-2026-16898 is a high-severity vulnerability in Ibm I with a CVSS 3.x base score of 7.8. 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-73.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-73
- Affected product: Ibm I
- Published:
- Last modified:
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to change the ownership of arbitrary files due to improper validation of an attacker-controlled file path.
Frequently asked questions
- What is CVE-2026-16898?
- IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to change the ownership of arbitrary files due to improper validation of an attacker-controlled file path.
- How severe is CVE-2026-16898?
- CVE-2026-16898 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-16898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-16898?
- CVE-2026-16898 primarily affects Ibm I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-16898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-16898 published?
- CVE-2026-16898 was published on 2026-08-13 and last updated on 2026-08-17.
References
Affected products (4)
- cpe:2.3:a:ibm:i:7.3:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
More vulnerabilities in Ibm I
- CVE-2026-16860 — Critical (CVSS 9.9): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an…
- CVE-2026-17083 — Critical (CVSS 9.8): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a stack-based buffer…
- CVE-2026-17218 — Critical (CVSS 9.8): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.
- CVE-2026-17276 — Critical (CVSS 9.6): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper…
- CVE-2026-18193 — High (CVSS 8.9): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation…
- CVE-2026-18099 — High (CVSS 8.9): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary script code due to…
Other CWE-73 vulnerabilities
- CVE-2026-20358 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team…
- CVE-2026-50148 — Critical (CVSS 10.0): Metabase is an open-source business intelligence and embedded analytics tool. From 1.54.0 until 1.54.24, 1.55.24,…
- CVE-2025-71338 — Critical (CVSS 10.0): Flowise contains a path traversal vulnerability in the /api/v1/document-store/loader/process endpoint that allows…
- CVE-2026-39907 — Critical (CVSS 10.0): Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose an unauthenticated WCF SOAP endpoint on…
- CVE-2026-27211 — Critical (CVSS 10.0): Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to…
- CVE-2026-63343 — Critical (CVSS 9.9): Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a…