CVE-2026-67855
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.3%
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
n/a · n/aReferences
https://github.com/open62541/open62541https://github.com/open62541/open62541/blob/master/arch/posix/eventloop_posix.chttps://github.com/open62541/open62541/blob/master/examples/encryption/server_encryption.chttps://github.com/open62541/open62541/blob/master/src/server/ua_server_internal.hhttps://github.com/open62541/open62541/blob/master/src/server/ua_server_ns0_gds.chttps://github.com/open62541/open62541/issues/8093