CVE-2026-11754 User Enumeration in Seres Software's syWEB
Attackers can enumerate valid user accounts in Seres Software syWEB due to observable discrepancies, exposing sensitive user data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11754?
CVE-2026-11754 is a medium-severity vulnerability in Seres Software syWEB, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Observable discrepancy vulnerability in Seres Software syWEB allows Account Footprinting.
This issue affects syWEB: through 27082026. NOTE: The vendor was contacted and it was learned that the product is not supported.
Weakness: CWE-203
Which versions are affected by CVE-2026-11754?
How do I fix CVE-2026-11754?
No fix has been published for CVE-2026-11754 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-11754 being exploited?
There is no known exploitation of CVE-2026-11754 in the wild and no public exploit code.
Sources
Also known as GHSA-qgvf-2v68-gv59.