CyberSecBulletin

Return of Wrong Status Code

CWE-393

A function or operation returns an incorrect return value or status code that does not indicate the true result of execution, causing the product to modify its behavior based on the incorrect result.

We track 8 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3.

Latest Return of Wrong Status Code vulnerabilities

  • 9.9 Critical severity

    LegacyUpdate: Origin Validation Error

    CVE-2026-97381LegacyUpdate

    Legacy Update is a tool for activating and installing updates on legacy Windows PCs. Legacy Update 1.12.0 through 1.13.1 contains an origin validation error in the IsPermitted method of its ActiveX control. After successfully reading the hosting document's hos

  • 7.5 High severity

    wolfSSL: Out-of-bounds Write

    CVE-2026-55958wolfSSL

    Out-of-bounds write in the Renesas TSIP TLS 1.3 transcript buffer. In tsip_StoreMessage() the capacity check guarding the fixed message bag (MSGBAG_SIZE) sets an error code but fails to return, so execution falls through to an XMEMCPY that writes past the end

  • 7.8 High severity

    Linux: Return of Wrong Status Code

    CVE-2026-53092Linux

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix linked reg delta tracking when src_reg == dst_reg Consider the case of rX += rX where src_reg and dst_reg are pointers to the same bpf_reg_state in adjust_reg_min_max_vals(). The latt

  • 9.3 Critical severity

    Szafir SDK: Improper Certificate Validation

    CVE-2026-9058Krajowa Izba Rozliczeniowa

    For untrusted certificates that contain the "Authority Information Access - caIssuers URI" extension, Szafir SDK will automatically download the parent CA certificate from the specified URL and will import it to its trust store as a "nonqualified" certificate.

  • 7.4 High severity

    net-imap: Missing Report of Error Condition

    CVE-2026-42246Ruby

    Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without starting TLS. This issue

  • 8.1 High severity

    Red Hat Enterprise Linux 10: Return of Wrong Status Code

    CVE-2025-5987Red HatEPSS 1.73%

    A flaw was found in libssh when using the ChaCha20 cipher with the OpenSSL library. If an attacker manages to exhaust the heap space, this error is not detected and may lead to libssh using a partially initialized cipher context. This occurs because the OpenSS

  • 7.5 High severity

    libxml2: Unchecked Return Value

    CVE-2025-32414Xmlsoft

    In libxml2 before 2.13.8 and 2.14.x before 2.14.2, out-of-bounds memory access can occur in the Python API (Python bindings) because of an incorrect return value. This occurs in xmlPythonFileRead and xmlPythonFileReadRaw because of a difference between bytes a

  • 8.8 High severity

    grav: Improper Neutralization of Special Elements in Output Used by a Downstream Component

    CVE-2023-37897GravEPSS 2.81%

    Grav is a file-based Web-platform built in PHP. Grav is subject to a server side template injection (SSTI) vulnerability. The fix for another SSTI vulnerability using `|map`, `|filter` and `|reduce` twigs implemented in the commit `71bbed1` introduces bypass o