Answer in brief
CVE-2026-50891 records a High severity (CVSS 8.1) vulnerability in Filestash allows attackers to escalate privileges via sending a crafted request. The current sources do not mark it as known exploited. The current feed maps github.com/mickael-kerjean/filestash (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps github.com/mickael-kerjean/filestash (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/mickael-kerjean/filestashgo | <=0.2.2-0.20260827111952-cbcd1e96ebc7 | Not reported |
Published upstream
Jun 15, 2026
Evidence: source:ghsa:source_dates:source-dates:recordSource modified
Aug 27, 2026
Evidence: source:ghsa:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.
Quoted source text, attributed separately from HOL analysis.