How severe is CVE-2026-18887?

CVE-2026-18887 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 high, integrity none, and availability none.

Is CVE-2026-18887 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-18887?

CVE-2026-18887 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-2026-18887?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-18887 published?

CVE-2026-18887 was published on 2026-09-04 and last updated on 2026-09-08.

CVE-2026-18887

CVE-2026-18887 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm I
Published: 2026-09-04
Last modified: 2026-09-08

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to obtain sensitive information in PASE. An attacker could exploit this vulnerability to access information about process they shouldn't be permitted to access.

Frequently asked questions

What is CVE-2026-18887?: IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to obtain sensitive information in PASE. An attacker could exploit this vulnerability to access information about process they shouldn't be permitted to access.
How severe is CVE-2026-18887?: CVE-2026-18887 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 high, integrity none, and availability none.
Is CVE-2026-18887 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-18887?: CVE-2026-18887 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-2026-18887?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-18887 published?: CVE-2026-18887 was published on 2026-09-04 and last updated on 2026-09-08.

References

https://www.ibm.com/support/pages/node/7285940

Affected products (4)

cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*

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