VegaTokenVulnerable.sol

Verdict is derived from severity counts via the same deterministic formula every VegaSec report uses. VegaTokenVulnerable.sol was scanned from pasted source. This is static-analysis triage, not a certification or formal audit attestation.

No PDF artifact has been requested for this report yet. The HTML report and the Markdown export already carry the full disclaimer and limitations inline. PDF synthesis is a queued artifact, not part of the scan path.

Status endpoint

GET /report/solidity/VSS-20260924-48F09N0N/export.pdf

• 025d746d5dc01028d99ab6f083342b2f9b382eca5b913ce3121b6ef8656c9c07 · centralizationcritical

  Not determined

  Question: Is this finding exploitable in this specific contract?

  Reason: Analyzer confidence or exploitability is unknown; the narrative would overclaim without operator review.

• 9e9cc0e9cfc74f54891b411b93c7449f2e172aa1da0a998e8e7b976ae04def6b · oracle-manipulationhigh
  Confidence: low

  Conditions point at the exploit but at least one precondition needs operator confirmation.

  Preconditions

  • Price or rate read from an on-chain source that can be moved in the same block by the caller
  • Decisions (mint amount, collateral check) derived from the manipulable price

  Action

  Attacker uses a flash loan or large swap to move the oracle price in the same block, triggers the price-dependent action, then reverts the price.

  Impact

  Mint of more shares than collateral warrants, undercollateralized borrow, or theft of liquidity by exploiting the manipulated rate.

  False-positive caveats

  • The oracle may be a time-weighted aggregator that resists single-block movement.
  • The function may compare against a snapshot taken on a separate block.

  Remediation checklist

  • Use a TWAP (time-weighted average price) over multiple blocks.
  • Cross-check at least two independent oracle sources before acting.
  • Reject prices that diverge from a recent average by more than a documented threshold.
• e3c81b2bb05292a33bb195f5efdac2095dcb7378274eb86ee20c848b965cd13e · reentrancyhigh
  Confidence: low

  Conditions point at the exploit but at least one precondition needs operator confirmation.

  Preconditions

  • External call to an untrusted address before the contract's own state is updated
  • Contract or callback path reachable from the external caller
  • No nonReentrant guard or equivalent on the entry-point function

  Action

  Attacker contract receives control during the external call and re-enters the original function before the original state write completes, repeating the state-changing side effect.

  Impact

  Duplicated withdrawals, double-spend on accounting balances, or out-of-order updates to invariants the function relies on.

  False-positive caveats

  • The external call may be to a known, trusted contract whose behavior is provable.
  • The function may be guarded indirectly by a flag or external lock not visible to the analyzer.

  Remediation checklist

  • Apply checks-effects-interactions: update internal state before any external call.
  • Add a nonReentrant guard on the entry-point function.
  • Where feasible, pull-payment instead of push-payment on user balances.
• 7d9b78b620334b47ab494454ec49b378daf245c24264ec5ee94fd81ae25ca8a0 · access-controlhigh
  Confidence: high

  Conditions for the exploit are met by the analyzer evidence; treat as likely until disproven by operator review.

  Preconditions

  • Sensitive function lacks an explicit caller restriction or relies on tx.origin
  • Caller controls the path that reaches the function

  Action

  Attacker calls the unprotected function from an attacker-controlled address, bypassing the intended restriction.

  Impact

  Unauthorized state mutation: ownership transfer, parameter changes, balance writes, or admin-only operations executed by a non-admin.

  False-positive caveats

  • The function may be intentionally callable by anyone (e.g. a public mint with a price guard).
  • Access control may live in a modifier the analyzer did not parse.

  Remediation checklist

  • Replace tx.origin checks with msg.sender against a role registry.
  • Add a `onlyRole(...)` or equivalent modifier from a vetted access control library.
  • Add unit tests that assert non-admin callers revert.
• 8d94c22f92bfff04d2cec20f538c96db7e75d788478a91bc7ffd1cceea98d7a0 · access-controlmedium
  Confidence: low

  Conditions point at the exploit but at least one precondition needs operator confirmation.

  Preconditions

  • Sensitive function lacks an explicit caller restriction or relies on tx.origin
  • Caller controls the path that reaches the function

  Action

  Attacker calls the unprotected function from an attacker-controlled address, bypassing the intended restriction.

  Impact

  Unauthorized state mutation: ownership transfer, parameter changes, balance writes, or admin-only operations executed by a non-admin.

  False-positive caveats

  • The function may be intentionally callable by anyone (e.g. a public mint with a price guard).
  • Access control may live in a modifier the analyzer did not parse.

  Remediation checklist

  • Replace tx.origin checks with msg.sender against a role registry.
  • Add a `onlyRole(...)` or equivalent modifier from a vetted access control library.
  • Add unit tests that assert non-admin callers revert.
• d3a46569a601f7bdcf08c52c1ce6a464f24ea0d6035d39fa18437b6c940bbc00 · access-controlmedium

  Not determined

  Question: Is this finding exploitable in this specific contract?

  Reason: Analyzer confidence or exploitability is unknown; the narrative would overclaim without operator review.

• 4bf225cdc0c238c3ce62538e80d89916562e5eb0b7ed3c988eaf7bb73b29c755 · timestamp-dependencemedium

  Not determined

  Question: Is this finding exploitable in this specific contract?

  Reason: Analyzer confidence or exploitability is unknown; the narrative would overclaim without operator review.

• 24612734790f3f6ca717a5032967841c609ae6046549b32eb41f771d29f905a2 · unchecked-callmedium

  Not determined

  Question: Is this finding exploitable in this specific contract?

  Reason: Analyzer confidence or exploitability is unknown; the narrative would overclaim without operator review.

• b85d4c6b14a005cc536ebad1f32253f03512ff61c8e9c49a7cbf0952e914f482 · access-controlmedium
  Confidence: low

  Conditions point at the exploit but at least one precondition needs operator confirmation.

  Preconditions

  • Sensitive function lacks an explicit caller restriction or relies on tx.origin
  • Caller controls the path that reaches the function

  Action

  Attacker calls the unprotected function from an attacker-controlled address, bypassing the intended restriction.

  Impact

  Unauthorized state mutation: ownership transfer, parameter changes, balance writes, or admin-only operations executed by a non-admin.

  False-positive caveats

  • The function may be intentionally callable by anyone (e.g. a public mint with a price guard).
  • Access control may live in a modifier the analyzer did not parse.

  Remediation checklist

  • Replace tx.origin checks with msg.sender against a role registry.
  • Add a `onlyRole(...)` or equivalent modifier from a vetted access control library.
  • Add unit tests that assert non-admin callers revert.
• 2b383bb32009d69610ac628adccd9eee4b96f1e5449289991c5149e18497756b · access-controlmedium

  Not determined

  Question: Is this finding exploitable in this specific contract?

  Reason: Analyzer confidence or exploitability is unknown; the narrative would overclaim without operator review.

1. 01

   Audit intake

   Passed320ms replay4:42 PM

   Normalize the submitted contract target and confirm it can enter the Solidity audit lane.

   Next: Acquire verified source or scan the pasted Solidity source.

2. 02

   Source acquisition

   Passed1.4s replay4:42 PM

   Resolve pasted source or verified explorer source without treating malformed input as demo data.

   Next: Validate the analyzer toolchain against the acquired source.

3. 03

   Toolchain validation

   Partial2.3s replay4:42 PM

   Confirm the configured static analyzers can run and produce parseable output.

   Next: Run static analysis and capture raw detector evidence.

   • One or more analyzers emitted warnings; report findings remain usable but should be read with limitations.
4. 04

   Static analysis

   Partial14 findings8.8s replay4:42 PM

   Run static analyzers against the sandboxed source and collect raw detector evidence.

   Next: Normalize detector output into one deduped finding set.

   • One or more analyzers emitted warnings; report findings remain usable but should be read with limitations.
5. 05

   Finding normalization

   Passed14 findings1.1s replay4:42 PM

   Dedupe detectors, classify vulnerability classes and compute severity-weighted risk.

   Next: Review exploitability conservatively against confidence and limitations.

6. 06

   Exploitability review

   Partial14 findings1.9s replay4:42 PM

   Frame automated findings with conservative exploitability and limitation notes.

   Next: Draft remediation notes from the normalized evidence.

   • Automated exploitability review is conservative and does not replace a manual exploitability assessment.
7. 07

   Remediation draft

   Partial14 findings1.5s replay4:42 PM

   Prepare remediation-oriented evidence for the shareable report artifact.

   Next: Attach an operator review artifact before claiming human review.

   • Remediation notes are generated from detector evidence and require project-specific engineering review.
8. 08

   Operator review

   Blocked0ms replay4:42 PM

   Record whether a human operator artifact exists before buyer escalation.

   Next: Attach a real operator review artifact before claiming human review.

   • No operator review artifact is attached to this automated scan.

   • Human operator review has not been attached to this automated scan yet.
9. 09

   Finalization

   Partial14 findings620ms replay4:42 PM

   Publish the automated report artifact or explain why the scan failed closed.

   Next: Share the report with explicit limitations and review state.

   Artifact: Automated Solidity report · solidity-2f746d702f766567

   • Final report is an automated static-analysis artifact; no operator review artifact is attached.

Score

Deterministic 0-100 derived from severity counts. Same formula across every report. Lower means more risk.

Confidence

Separate axis. Measures how much VegaSec trusts the input data. Low confidence pushes the verdict toward UNKNOWN; the two are never collapsed into one number.

Ranking / percentile

Only meaningful within the eligible Trust Index set. Shown on /trust-index when the eligible pool is large enough. Today the public index is a controlled preview.