CVE-2026-27480 Static Web Server: Timing-Based Username Enumeration in Basic Authentication

Static Web Server SWS is a production-ready web server suitable for static web files or assets. In versions 2.1.0 through 2.40.1, a timing-based username enumeration vulnerability in Basic Authentication allows attackers to identify valid users by exploiting early responses for invalid usernames,...

Static Web Server 安全漏洞

Static Web Server is a static web server developed by the German company Static Web Server. Versions 2.1.0 to 2.40.1 of Static Web Server contain security vulnerabilities. These vulnerabilities stem from time-based username enumeration in basic authentication, which may lead to brute-force attack...

CVE-2026-27480: Observable Response Discrepancy

Static Web Server SWS is a production-ready web server suitable for static web files or assets. In versions 2.1.0 through 2.40.1, a timing-based username enumeration vulnerability in Basic Authentication allows attackers to identify valid users by exploiting early responses for invalid usernames,...

CVE-2026-23621

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted filesystem path via...

GHSA-QHP6-635J-X7R2 Static Web Server affected by timing-based username enumeration in Basic Authentication due to early response on invalid usernames

Summary A Timing-based username enumeration in Basic Authentication vulnerability due to early response on invalid usernames could allow attackers to identify valid users and focus their efforts on targeted brute-force or credential-stuffing attacks. Details SWS validates the provided username...

Static Web Server affected by timing-based username enumeration in Basic Authentication due to early response on invalid usernames

Summary A Timing-based username enumeration in Basic Authentication vulnerability due to early response on invalid usernames could allow attackers to identify valid users and focus their efforts on targeted brute-force or credential-stuffing attacks. Details SWS validates the provided username...

CVE-2026-26744

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are...

PT-2026-21333

Name of the Vulnerable Software and Affected Versions Static Web Server versions 2.1.0 through 2.40.1 Description Static Web Server SWS has a timing-based username enumeration issue in Basic Authentication. The server checks if a username exists before verifying the password. Valid usernames...

CVE-2026-26744

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are...

CVE-2026-26744

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are...

[SECURITY] [DLA 4484-1] python-django security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4484-1 [email protected] https://www.debian.org/lts/security/ Chris Lamb February 19, 2026 https://wiki.debian.org/LTS -...

CVE-2026-23621

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted filesystem path via...

CVE-2026-23620

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can supply an unrestricted filesystem path via the JSON...

CVE-2026-23620

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can supply an unrestricted filesystem path via the JSON...

CVE-2026-23621

GFI MailEssentials AI versions prior to 22.4 contain an authentication-restricted directory existence enumeration vulnerability in ListServer.IsPathExist() (exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist). An authenticated user can supply an unrestricted filesystem path...

CVE-2026-23621 GFI MailEssentials AI < 22.4 ListServer.IsPathExist() Absolute Directory Traversal to File Enumeration

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted filesystem path via...

CVE-2026-23620 GFI MailEssentials AI < 22.4 ListServer.IsDBExist() Absolute Directory Traversal to File Enumeration

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can supply an unrestricted filesystem path via the JSON...

CVE-2026-23620 GFI MailEssentials AI < 22.4 ListServer.IsDBExist() Absolute Directory Traversal to File Enumeration

GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in the ListServer.IsDBExist web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can supply an unrestricted filesystem path via the JSON...

CVE-2026-23620

GFI MailEssentials AI (versions prior to 22.4) contains an information-disclosure vulnerability in ListServer.IsDBExist() at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsDBExist. An authenticated user can provide an unrestricted filesystem path in the JSON key "path" (URL-decoded and pass...

GFI MailEssentials AI 安全漏洞

GFI MailEssentials AI is an open-source anti-spam and data breach protection software developed by GFI in the United States. Versions of GFI MailEssentials AI prior to version 22.4 contained a security vulnerability. This vulnerability stemmed from an arbitrary file enumeration vulnerability in t...