CVE-2026-107911: high-severity vulnerability in FalkorDB
Type confusion in FalkorDB GRAPH.QUERY via the --bolt argument
Published
18Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7
exploitation probability
—
observed exploitation
nono source reports it
A type confusion vulnerability in the _read_flags function (src/commands/cmd_dispatcher.c) in FalkorDB before 4.20.0 allows a remote authenticated attacker who can run GRAPH.QUERY to cause a denial of service and possibly disclose or corrupt memory. The function accepts a --bolt argument from any client and casts the following command argument, a Redis string object, to a Bolt client structure without checking its origin; the result-set code then dereferences pointers read from that object. The argument is parsed even when the Bolt endpoint is disabled, so default configurations are affected.
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
FalkorDB · FalkorDBRelated CVEs — FalkorDB
In the same product, most dangerous first.
CVE-2026-107910CRITICALAuthentication bypass in FalkorDB Bolt endpoint via fail-open AUTH probe error handlingEPSS —CVE-2026-107909HIGHPre-authentication heap out-of-bounds write in FalkorDB Bolt WebSocket frame handling via unbounded payload lengthEPSS —CVE-2026-107908CRITICALPre-authentication heap out-of-bounds write in FalkorDB Bolt BoltReadHandler via RESET messageEPSS —CVE-2026-7826HIGHHeap out-of-bounds read in FalkorDB BufferSerializerIOv2_ReadBuffer via crafted RDBEPSS —CVE-2026-7827CRITICALStack-based buffer overflow in FalkorDB _RdbLoadEntity via unbounded property count in crafted RDBEPSS —CVE-2026-5759CRITICALDouble free and use-after-free in FalkorDB RdbLoadDeletedNodes allows remote code execution via crafted RDBEPSS —