Vulnerability · Published Aug 27, 2026 · Assigned by TR-CERT
CVE-2026-11754User Enumeration in Seres Software's syWEB
Medium 5.3
In plain English
A medium-severity security flaw in syWEB from Seres Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 73.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Seres Software | syWEB | 0 – through 27082026 |
Weakness: CWE-203 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0932 government-resource