defirisk.co
rubric v1.7.0

Known-exploit function-selector replay

GMX v2 (GMX Synthetics)'s assessment for RD-F-095 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

V1 exploit used gmxPositionCallback reentrancy selector pattern. GMX v2 removed this callback pathway. No v2-equivalent known-exploit selector replay pattern documented. Signal requires on-chain selector pattern monitoring. Gray — v1 selector not applicable to v2 architecture; no v2-specific replay pattern in public exploit DB.

Sources #

  • URL
    https://www.halborn.com/blog/post/explained-the-gmx-hack-july-2025retrieved 2026-05-05

Methodology #

Detect whether a call-pattern matches a known-exploit replay template (specific selector sequence and calldata shape) against this protocol.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol gmx-v2 factor RD-F-095 score gray collected_at 2026-05-05 11:15:06