Rebuff
Palo Alto Networks
Prompt injection defense project archived in May 2025 and not recommended for new projects.
Curated by Tiberiu ArvaStale
Strengths
- Prompt-injection focus
- Archived OSS reference point
- Historically notable
Practitioner note
Most relevant as a lightweight prompt-injection defense layer in custom stacks, not as a broad end-to-end AI governance product.
Warning
Governance posture
Reviewed 2026-05-26Archived OSS library; operator-controlled if used.
Archived (2025-05-16); self-hosted if used; not recommended for new deployments. (self-hosted)
SourceArchived library; no infrastructure.
Archived OSS library.
Archived OSS library.
Archived OSS library.
Archived prompt-injection defense library; not an active AI system. (role: not-applicable)
Apache-2.0 — permissive; archived (abandonment risk). (low)
SourceEU AI Act obligations
Risk tier: Not applicable · as of 2026-08-23Source-backed information mapped from Rebuff's tracked risk tier — not legal advice. Obligations depend on how your organisation deploys the system; see the full obligation reference and timeline.
This record's EU AI Act risk tier is marked not applicable, so no tier-specific obligations attach. Deployers embedding it in an AI system in scope of the Act should assess that system's own tier.
Change history
Source-backed and auto-detected events for this tool, newest first.
- Auto-detectedgithubStars: 1510 → 1516
From snapshot diff 2026-07-17 → 2026-08-04.
- Auto-detectedgithubStars: 1498 → 1510
From snapshot diff 2026-06-07 → 2026-07-17.
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