# Semgrep: Lockfileless scans failing for certain deployments

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-08-12 18:16 UTC · Resolved: 2026-08-12 21:03 UTC · Duration: 2.8 h
- Updates: 4 · Affected components: Managed Scans, semgrep.dev - Managed Scans
- [Vendor status page: https://stspg.io/ywrm627knkp7](https://stspg.io/ywrm627knkp7)
- [Company: Semgrep](https://rewindex.com/company/semgrep.md)

## Summary

Semgrep reported a major incident affecting Managed Scans: lockfileless scans failed for certain deployments from 2026-08-12 18:16 UTC until resolution at 2026-08-12 21:03 UTC, lasting 2 h 46 min. A fix was rolled out by 2026-08-12 20:23 UTC, restoring scans; no specific root cause was disclosed. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-08-12 18:16 UTC: We are currently investigating this issue.
- **identified** 2026-08-12 19:33 UTC: We've identified the root cause of the issue and are currently working on a fix.
- **monitoring** 2026-08-12 20:23 UTC: We have rolled out a fix, and scans are now working as expected. We are closely monitoring to ensure continued stability.
- **resolved** 2026-08-12 21:03 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-08-12 18:16 UTC: [Major incident: Lockfileless scans failing for certain deployments](https://rewindex.com/change/if504fe72a93608.md)


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Canonical: https://rewindex.com/company/semgrep/incidents/sh65gm5f2194 · Markdown: https://rewindex.com/company/semgrep/incidents/sh65gm5f2194.md · JSON: https://rewindex.com/api/v1/companies/semgrep/incidents/sh65gm5f2194 · Generated 2026-10-18T12:22:05.896Z