November 14, 2026

CVE Watchtower

CVE-2026-18525Improper Input Validation

NVDCVSS scored by psirt@us.ibm.com

Vulnerability Summary

IBM Secure Proxy 6.1.0.0 through 6.2.1.2 could allow a remote authenticated attacker to cause a denial of service due to improper validation of listener IP address and port.
Severity Level
MEDIUM(4.9)
Published Date
Nov 8, 2026
Last Modified
Nov 8, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.30%Probability
Root Weakness (CWE)
CWE-20: Improper Input Validation β†—
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CVSS v3.1 Base Metrics — Score 4.9 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
Not provided by NVD for this CVE.
Patched Versions
No patched version published yet
Until a fix ships, reduce exposure:
  • Restrict access to the affected service or interface to trusted networks.
  • Disable the affected feature if you do not need it.
  • Watch the vendor advisory for a firmware or software update.

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run the affected product and which version.
  2. No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
  3. Subscribe to the vendor advisory so you learn when a fix ships.

Timeline

  • Nov 8, 2026Published
  • Nov 8, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get alerts for CVEs like this oneYou are reading CVE-2026-18525. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

External References

Data last checked: Nov 14, 2026 01:09 UTC