CWE-754— Improper Check for Unusual or Exceptional Conditions
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.— MITRE CWE catalog
616 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-754page 13 of 13
- CVE-2026-5343HIGHCVSS 7.4EG 7.42026-05-28
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation. This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.
- CVE-2026-54269MEDIUMCVSS 5.3EG 5.32026-06-15
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 8.6.0 and 7.6.3, protobufjs accepted certain schema-derived names that could collide with properties used by protobufjs runtime helpers. The known affected n…
- CVE-2026-54775MEDIUMCVSS 6.5EG 6.52026-06-19
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service listening on a Kafka topic stops processing new records from that topic when KafkaTransportPump recei…
- CVE-2026-55577MEDIUMCVSS 5.9EG 5.92026-07-01
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when proc…
- CVE-2026-56812HIGHCVSS 7.5EG 7.52026-07-07
Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix (Presence JavaScript client) allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every v…
- CVE-2026-57020MEDIUMCVSS 6.5EG 6.52026-07-09
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on QFX10000 Series allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS). O…
- CVE-2026-57022MEDIUMCVSS 5.9EG 5.92026-07-09
An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-…
- CVE-2026-57031MEDIUMCVSS 4.7EG 4.72026-07-09
An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS on MX Series allows adjacent subscribers to bypass configured firewall filters. On MX Series devices …
- CVE-2026-5946HIGHCVSS 7.5EG 7.52026-05-20
Multiple flaws have been identified in `named` related to the handling of DNS messages whose CLASS is not Internet (`IN`) — for example, `CHAOS` or `HESIOD`, or DNS messages that specify meta-classes (`ANY` or `NONE`) in the question sec…
- CVE-2026-63754MEDIUMCVSS 6.5EG 6.52026-07-20
SurrealDB versions before 3.1.0 contain a denial of service vulnerability where malicious LIVE queries with WHERE clauses that evaluate to errors cause all CREATE, UPDATE, and DELETE operations on the watched table to fail. An authenticate…
- CVE-2026-65904MEDIUMCVSS 4.7EG 4.72026-07-23
DOMPurify through 3.3.3 fails to sanitize DOM elements passed via IN_PLACE mode when the element originates from a different window/realm (e.g., an iframe's contentDocument). A cross-realm instanceof check in the private _isNode() function…
- CVE-2026-6766HIGHCVSS 7.5EG 7.52026-04-21
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- CVE-2026-6772HIGHCVSS 7.5EG 7.52026-04-21
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
- CVE-2026-8075MEDIUMCVSS 6.5EG 6.52026-07-17
Mattermost Desktop App versions <=6.2 5.5.13 6.0.2.0 fail to properly null check when checking for headers in the Mattermost Desktop App which allows any user to crash another channel members Desktop App via posting a malicious link with a…
- CVE-2026-8091CRITICALCVSS 9.8EG 9.82026-05-07
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.
- CVE-2026-8491LOWCVSS 3.7EG 3.72026-05-19
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Node View Permissions allows Forceful Browsing. This issue affects Node View Permissions: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.1.
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