November 14, 2026

CVE Watchtower

CVE-2026-126993SiteServer SSCMS Inadequate Encryption Strength

NVD

Vulnerability Summary

A security flaw has been discovered in SiteServer SSCMS up to 7.2.2. Impacted is an unknown function of the file /api/v1/captcha. Performing a manipulation of the argument Value results in inadequate encryption strength. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity Level
MEDIUM(6.9)
Published Date
Nov 12, 2026
Last Modified
Nov 13, 2026
Exploitation Status
Public exploit available
EPSS Score (30-Day)
0.19%Probability
Root Weakness (CWE)
CWE-326: Inadequate Encryption Strength β†—
The product stores or transmits sensitive data using an encryption scheme that is not strong enough for the level of protection required.
CWE-310 β†—
See the MITRE CWE entry for the full definition of this weakness.
CVSS v4.0 Base Metrics — Score 6.9 (MEDIUM)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 5.3)
CVSS v3.1 Base Metrics — Score 5.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • SiteServer SSCMS 7.2.0
  • SiteServer SSCMS 7.2.1
  • SiteServer SSCMS 7.2.2
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

Prioritize this fix. Exploit code is public, so attacks can follow quickly.

  1. Check whether you run SiteServer SSCMS 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.
  4. Review logs and exposed services for signs of earlier compromise.

Timeline

  • Nov 12, 2026Published
  • Nov 13, 2026Record last modified
  • Nov 13, 2026CVSS score changed: 6.9 to 5.5

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

Get notified about new SiteServer SSCMS CVEsYou are reading CVE-2026-126993. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

More SiteServer SSCMS CVEs

External References

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