Security Vulnerabilities - CVEs Published In April 2026
OpenStack Ironic before 35.0.1 allows ipmitool execution in a non-default configuration that has a console interface.
CVSS Score
6.6
EPSS Score
0.005
Published
2026-04-28
In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parse_nego_message.
CVSS Score
5.9
EPSS Score
0.006
Published
2026-04-28
A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with administrator privileges to execute OS commands on an affected device.
CVSS Score
6.8
EPSS Score
0.008
Published
2026-04-28
A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.
CVSS Score
7.2
EPSS Score
0.012
Published
2026-04-28
OpenClaw before 2026.3.28 contains an environment variable disclosure vulnerability in the jq safe-bin policy that fails to block the $ENV filter. Attackers can bypass safe-bin restrictions by using $ENV in jq programs to access sensitive environment variables that should be restricted.
CVSS Score
7.1
EPSS Score
0.002
Published
2026-04-28
OpenClaw before 2026.3.31 contains insufficient environment variable sanitization in host exec operations, failing to filter package, registry, Docker, compiler, and TLS override variables. Attackers can exploit this by injecting malicious environment variables to override critical system configurations and compromise host execution integrity.
CVSS Score
7.1
EPSS Score
0.003
Published
2026-04-28
OpenClaw before 2026.3.31 contains a path traversal vulnerability in ACP dispatch that allows attackers to read arbitrary files by manipulating inbound channel attachment paths. Remote attackers can bypass attachment-cache and root directory checks to access files outside intended directories.
CVSS Score
7.1
EPSS Score
0.004
Published
2026-04-28
OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in chat.send that allows write-scoped gateway callers to trigger admin-only session reset operations. Attackers can rotate target sessions, archive prior transcript state, and force new session IDs without requiring admin scope by exploiting improper authorization checks in the chat.send path.
CVSS Score
8.4
EPSS Score
0.003
Published
2026-04-28
OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.
CVSS Score
6.9
EPSS Score
0.003
Published
2026-04-28
OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.
CVSS Score
2.3
EPSS Score
0.003
Published
2026-04-28