CWE-394: Unexpected Status Code or Return Value
The product does not properly check when a function or operation returns a value that is legitimate for the function, but is not expected by the product.
15 tracked CVEs are classified under this weakness.
Highest-risk vulnerabilities
- CVE-2025-12516 — Lack of Graceful Error Handling - HTTP 5xx Error
- CVE-2025-12515 — Systemic Internal Server Errors - HTTP 500 Response
- CVE-2026-25085 — Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value
- CVE-2025-23013 — In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Auth
- CVE-2024-1713 — Plv8 Deferred Trigger Privilege Escalation
- CVE-2025-48510 — Improper return value within AMD uProf can allow a local attacker to bypass KSLR, potentially resulting in loss of confi
- CVE-2025-22854 — Possible thread exhaustion from processing http responses in PingFederate Google Adapter
- CVE-2026-76956 — In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, w
Recently published
- CVE-2026-76956 — In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, w
- CVE-2026-25085 — Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value
- CVE-2025-48510 — Improper return value within AMD uProf can allow a local attacker to bypass KSLR, potentially resulting in loss of confi
- CVE-2025-12516 — Lack of Graceful Error Handling - HTTP 5xx Error
- CVE-2025-12515 — Systemic Internal Server Errors - HTTP 500 Response
- CVE-2025-22854 — Possible thread exhaustion from processing http responses in PingFederate Google Adapter
- CVE-2025-23013 — In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Auth
- CVE-2024-1713 — Plv8 Deferred Trigger Privilege Escalation