CVE-2026-121520
In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit a build request that sets an extended attribute on a file outside the BuildKit state directory. Extended attributes in the trusted. or security. namespaces may also be se…
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Attention and evidence
Evidence confidence: Insufficient evidence
Hype components
Sources and documents
No source documents yet.
Score evolution
● Hype ● Reality
First record: hype 0.0 · reality 1.6 (2026-11-04 13:50). The curve appears once the score changes.
Public exploit evidence
Public exploit entries / repo candidates
Evidence context and dated references
Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs. Published 3 days ago. Exploitation evidence usually takes weeks to show up: a low reality score can mean there is no data yet, not that the flaw is mild.
Evidence in context
- Confidence in exploitation evidence
- Insufficient evidence
- Priority basis
- Exploitation in attacks unconfirmed; CVSS 4.5; EPSS 0.1%
- Attention, last 30 days
- 0 distinct story titles; 0 press documents; 0 publisher domains.
- Technical potential
- local access, high privileges, no user interaction, additional attack conditions.
- Observed activity
- No exploitation observation is recorded.
- Known scale
- Not quantified.
- Evidence confidence basis
- Insufficient evidence
Score evaluated: 2026-11-05 13:59:56.876805+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z