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    CVE-2026-88409

    FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a buffer overflow in the _Decode_GrB_Matrix function (/v19/decode_matrix.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

    Published:Sep 21, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 21, 2026
    EPSS Score:0.00477
    CVSS Score:8.8

    Affected Products

    Vendor
    Falkordb
    Product
    Falkordb

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-107911 (CVSS 7.7) — A type confusion vulnerability in the _read_flags function (src/commands/cmd_dispatcher.c) in FalkorDB before …
    CVE-2026-107910 (CVSS 9.2) — An improper authentication vulnerability in the is_authenticated function (src/bolt/bolt_api.c) in FalkorDB be…
    CVE-2026-107909 (CVSS 8.8) — A heap-based out-of-bounds write in the ws_read_frame function (src/bolt/ws.c) and the buffer_apply_mask funct…
    CVE-2026-107908 (CVSS 9.3) — A heap-based out-of-bounds write in the BoltReadHandler function (src/bolt/bolt_api.c) in FalkorDB before 4.20…
    CVE-2026-7826 (CVSS 8.8) — A heap-based out-of-bounds read in the BufferSerializerIOv2_ReadBuffer function (src/serializers/serializer_io…
    CVE-2026-7827 (CVSS 9.2) — A stack-based buffer overflow in the _RdbLoadEntity function of the RDB graph decoders (src/serializers/decode…
    CVE-2026-5759 (CVSS 9.3) — A double free and use-after-free vulnerability in the RdbLoadDeletedNodes function of the RDB graph decoders (…
    CVE-2026-88412 (CVSS 5.3) — An integer overflow in the _BulkInsert_ReadProperty component (/bulk_insert.c) of FalkorDB (Redis module) v4.2…
    CVE-2026-88408 (CVSS 6.5) — FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a stack overflow in the _GetGroup() funct…
    CVE-2026-88411 (CVSS 7.5) — Improper error handling in the GRAPH.EFFECT component (/effects/effects_apply.c) of FalkorDB (Redis module) v4…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High