CVE-2026-16835
What it is
IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP management network protocol. An unauthenticated attacker on the management network can bypass authentication and perform any administrative operation on the managed system, including control of partition power state, configuration, and console access across all hosted partitions, resulting in a confidentiality, integrity, and availability impact to the managed system.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 9.6 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-295 · Improper certificate validation
- Record status
- Analyzed
Affected
- IBM Power System e1080 \(9080-hex\) Firmware < fw1060.81
- IBM Power System e1180 \(9080-heu\) Firmware < fw1110.31
- IBM Power System e1180 \(9080-heu\) Firmware fw1120.00
- IBM Power System s922 \(9009-22g\) Firmware < fw950.h3
- IBM Power System h922 \(9223-22s\) Firmware < fw950.h3
- IBM Power System s914 \(9009-41g\) Firmware < fw950.h3
- IBM Power System s924 \(9009-42g\) Firmware < fw950.h3
- IBM Power System h924 \(9223-42s\) Firmware < fw950.h3
Attack profile CVSS 3.1 · 9.6
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-16835.md and follow it. Check whether this project is affected by CVE-2026-16835. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
