CVE-2026-16188: IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to inject forged log entries into the server's administrative log
Source GCVE Database
Not known to be exploited · CVSS 5.3 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMWebSphere Application Server | Affected
| Fixed in– |
AI-suggested
Until a fix is available, monitor administrative logs for suspicious entries and consider restricting remote access to the administrative interface to trusted sources.
Description
IBM WebSphere Application Server versions 9.0 and 8.5 contain a vulnerability that allows a remote attacker to inject forged entries into the server's administrative log. This flaw could be exploited without authentication and requires low attack complexity. The vulnerability impacts the integrity of log data but does not affect confidentiality or availability.