[SECURITY] AegisVale-001: Unnecessary Inline Assembly (CWE-1109, Medium)

Security Disclosure — AegisVale-GRAPH-001

Reported to: The Graph Security Team
Date: 2026-08-18
Severity: Medium | CWE: CWE-1109
Status: Open

Executive Summary

During security research of graphprotocol/contracts, we identified instances of unnecessary inline assembly that reduce defense-in-depth protections and may introduce potential security risks.

Findings

Inline Assembly Without Return Value Checks

Assembly blocks using call() do not check return values, silently swallowing call failures.

Risk: Silent call failures may bypass critical guards; re-entrancy exposure.

Recommended Remediation

1. Add require(success) checks after all low-level calls in assembly
2. Document all assembly with NatSpec comments
3. Replace assembly with Solidity equivalents where possible

References

• SWC-127: Unchecked CALL Return Value
• Full report: https://github.com/group3vigil/aegisvale-security-research/issues/3

Good-faith security disclosure by AegisVale (VIAIE Ecosystem).
Contact / engage services: USDT on Ethereum — 0xBaADe5b370F1A1c9FF31e89da70667c78D350B8A

Start by locating the Solidity assembly blocks that use call(), since the issue names no files, tests, or specific entry points. Review each call's return-value handling and the surrounding security assumptions; done means the relevant blocks have documented handling, checked failures, or justified Solidity replacements.