Monthly
Denial of service in zhayujie CowAgent up to version 2.1.7 allows a low-privileged remote attacker to crash or degrade availability by manipulating input to the Bash Tool component (agent/tools/bash/bash.py). The root cause is CWE-404 (Improper Resource Shutdown or Release), suggesting the Bash Tool fails to bound, drain, or release output buffers when executing shell commands - consistent with the public PoC title 'CowAgent_Bash_Output_Buffer_DoS_Report'. A proof-of-concept exploit is publicly available on GitHub, though no patch has been released and the vendor was unresponsive to disclosure.
Denial of service in zhayujie CowAgent up to version 2.1.3 allows a low-privileged remote attacker to crash or hang the agent service by sending a crafted input to the BrowserTool component in `agent/tools/browser/browser_tool.py`. The underlying cause (CWE-404) is improper resource shutdown or release - likely a browser subprocess or evaluation call that hangs indefinitely rather than timing out cleanly. A public proof-of-concept exists on GitHub; the vendor was unresponsive to disclosure, and no patch has been released.
Denial of service in NousResearch hermes-agent 0.18.0 allows authenticated remote attackers to crash or degrade the Session Chat Interface by exploiting improper resource shutdown or release (CWE-404) in gateway/platforms/api_server.py. The CVSS 4.0 score of 2.1 with VA:L reflects a low-impact, low-privilege DoS against the vulnerable system only - no confidentiality or integrity impact is present. No public exploit identified at time of analysis is inaccurate here: a PoC has been published on GitHub (E:P), and the vendor has not acknowledged or responded to the disclosure.
Denial of service in NousResearch hermes-agent affects the HermesACPAgent.prompt function within acp_adapter/session.py, exploitable by low-privileged remote users through the ACP Prompt Workflow interface. Versions up to and including 0.18.2 are confirmed affected, with no vendor patch issued following pre-disclosure contact. A public proof-of-concept exploit is available on GitHub, lowering the barrier to exploitation against exposed deployments.
GitList 2.0.0's XML-based commit parser in CommandLine.php can be remotely triggered without authentication to cause a denial-of-service condition, crashing or hanging the PHP process that renders the GitList interface. The root cause is PHP's SimpleXMLElement being used to parse git log output formatted as XML - commit content can be crafted to cause pathological resource consumption or unhandled parse failures (CWE-404). A public proof-of-concept exists per GitHub issue #948 and the CVSS 4.0 E:P exploitability modifier; the flaw is not listed in CISA KEV, so mass active exploitation is not confirmed at time of analysis.
Null pointer dereference in Open5GS versions up to 2.7.7 allows network-accessible low-privileged attackers to crash the AMF (Access and Mobility Management Function) by sending crafted SBI messages with missing required body fields to the N1/N2 Transfer Endpoint. The vulnerability exists across multiple code paths in src/amf/namf-handler.c, including UE context transfer, registration status update, and UE MM context list decoding, where pointers were dereferenced without null guards. Successful exploitation causes AMF process termination, denying 5G mobility and UE registration services to all subscribers managed by the affected AMF instance. No public exploit code and no CISA KEV listing have been identified at time of analysis.
Denial of service in Open5GS AMF (Access and Mobility Management Function) versions up to 2.7.7 allows a remote low-privileged attacker to crash the AMF process by submitting a crafted N1N2MessageTransfer request containing an unrecognized ngapIeType value, triggering an unchecked assertion termination. The AMF is a singleton or small-cluster critical component of 5G core infrastructure; its crash disconnects all user equipment registered through that instance until service restarts. A public exploit exists (GitHub issue #4396) and the fix is available in version 2.8.0, making patching the clear immediate action.
Denial of service via improper resource shutdown in Magma 1.9.0's gNB Termination Handler allows remote low-privileged attackers to disrupt or crash the AMF's NGAP processing of 5G base station connections. The flaw in tasks/ngap/ngap_amf.c stems from CWE-404 (improper resource release), producing availability impact against the vulnerable system with no confidentiality or integrity consequence. A public proof-of-concept exploit exists per the referenced GitHub issue #16019, though CISA has not confirmed active exploitation.
Denial of service in Silicon Labs SiSDK v2026.6.0 and earlier affects EFR32MG24 and EFR32MG26 wireless SoCs running concurrent multiprotocol Zigbee and Thread. Under high network traffic loads, ACK packets are dropped, causing the device networking stack to fail and rendering the IoT endpoint unresponsive. No public exploit has been identified and active exploitation has not been confirmed by CISA KEV, but the patch is available from the vendor.
MySQL Connector/ODBC version 26.7.0 exposes a local denial-of-service condition that allows an unauthenticated attacker with logon access to the host to cause a complete hang or repeatable crash of the connector, disrupting dependent applications. Exploitation requires human interaction from a third party (UI:R), constraining the realistic attack surface to insider threat or socially engineered scenarios on the affected host. No public exploit code has been identified and this vulnerability is not listed in the CISA KEV catalog; availability is the sole impact dimension - confidentiality and integrity are unaffected.
Denial of service in zhayujie CowAgent up to version 2.1.7 allows a low-privileged remote attacker to crash or degrade availability by manipulating input to the Bash Tool component (agent/tools/bash/bash.py). The root cause is CWE-404 (Improper Resource Shutdown or Release), suggesting the Bash Tool fails to bound, drain, or release output buffers when executing shell commands - consistent with the public PoC title 'CowAgent_Bash_Output_Buffer_DoS_Report'. A proof-of-concept exploit is publicly available on GitHub, though no patch has been released and the vendor was unresponsive to disclosure.
Denial of service in zhayujie CowAgent up to version 2.1.3 allows a low-privileged remote attacker to crash or hang the agent service by sending a crafted input to the BrowserTool component in `agent/tools/browser/browser_tool.py`. The underlying cause (CWE-404) is improper resource shutdown or release - likely a browser subprocess or evaluation call that hangs indefinitely rather than timing out cleanly. A public proof-of-concept exists on GitHub; the vendor was unresponsive to disclosure, and no patch has been released.
Denial of service in NousResearch hermes-agent 0.18.0 allows authenticated remote attackers to crash or degrade the Session Chat Interface by exploiting improper resource shutdown or release (CWE-404) in gateway/platforms/api_server.py. The CVSS 4.0 score of 2.1 with VA:L reflects a low-impact, low-privilege DoS against the vulnerable system only - no confidentiality or integrity impact is present. No public exploit identified at time of analysis is inaccurate here: a PoC has been published on GitHub (E:P), and the vendor has not acknowledged or responded to the disclosure.
Denial of service in NousResearch hermes-agent affects the HermesACPAgent.prompt function within acp_adapter/session.py, exploitable by low-privileged remote users through the ACP Prompt Workflow interface. Versions up to and including 0.18.2 are confirmed affected, with no vendor patch issued following pre-disclosure contact. A public proof-of-concept exploit is available on GitHub, lowering the barrier to exploitation against exposed deployments.
GitList 2.0.0's XML-based commit parser in CommandLine.php can be remotely triggered without authentication to cause a denial-of-service condition, crashing or hanging the PHP process that renders the GitList interface. The root cause is PHP's SimpleXMLElement being used to parse git log output formatted as XML - commit content can be crafted to cause pathological resource consumption or unhandled parse failures (CWE-404). A public proof-of-concept exists per GitHub issue #948 and the CVSS 4.0 E:P exploitability modifier; the flaw is not listed in CISA KEV, so mass active exploitation is not confirmed at time of analysis.
Null pointer dereference in Open5GS versions up to 2.7.7 allows network-accessible low-privileged attackers to crash the AMF (Access and Mobility Management Function) by sending crafted SBI messages with missing required body fields to the N1/N2 Transfer Endpoint. The vulnerability exists across multiple code paths in src/amf/namf-handler.c, including UE context transfer, registration status update, and UE MM context list decoding, where pointers were dereferenced without null guards. Successful exploitation causes AMF process termination, denying 5G mobility and UE registration services to all subscribers managed by the affected AMF instance. No public exploit code and no CISA KEV listing have been identified at time of analysis.
Denial of service in Open5GS AMF (Access and Mobility Management Function) versions up to 2.7.7 allows a remote low-privileged attacker to crash the AMF process by submitting a crafted N1N2MessageTransfer request containing an unrecognized ngapIeType value, triggering an unchecked assertion termination. The AMF is a singleton or small-cluster critical component of 5G core infrastructure; its crash disconnects all user equipment registered through that instance until service restarts. A public exploit exists (GitHub issue #4396) and the fix is available in version 2.8.0, making patching the clear immediate action.
Denial of service via improper resource shutdown in Magma 1.9.0's gNB Termination Handler allows remote low-privileged attackers to disrupt or crash the AMF's NGAP processing of 5G base station connections. The flaw in tasks/ngap/ngap_amf.c stems from CWE-404 (improper resource release), producing availability impact against the vulnerable system with no confidentiality or integrity consequence. A public proof-of-concept exploit exists per the referenced GitHub issue #16019, though CISA has not confirmed active exploitation.
Denial of service in Silicon Labs SiSDK v2026.6.0 and earlier affects EFR32MG24 and EFR32MG26 wireless SoCs running concurrent multiprotocol Zigbee and Thread. Under high network traffic loads, ACK packets are dropped, causing the device networking stack to fail and rendering the IoT endpoint unresponsive. No public exploit has been identified and active exploitation has not been confirmed by CISA KEV, but the patch is available from the vendor.
MySQL Connector/ODBC version 26.7.0 exposes a local denial-of-service condition that allows an unauthenticated attacker with logon access to the host to cause a complete hang or repeatable crash of the connector, disrupting dependent applications. Exploitation requires human interaction from a third party (UI:R), constraining the realistic attack surface to insider threat or socially engineered scenarios on the affected host. No public exploit code has been identified and this vulnerability is not listed in the CISA KEV catalog; availability is the sole impact dimension - confidentiality and integrity are unaffected.