CVE-2026-18020General(ibm / i)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • i

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
i

4 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-14: 108-14
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • VulDB 🛡@vuldb
    General

    The severity is increased for this new vulnerability affecting IBM i (CVE-2026-18020) https://vuldb.com/vuln/389889

    Post summary

    The post announces that IBM i vulnerability CVE‑2026‑18020 has an increased severity but offers no additional technical or operational details.

    00000144
    2.3K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
OSibmi7.3--
OSibmi7.4--
OSibmi7.5--
OSibmi7.6--

Explore more