Answer in brief
CVE-2026-77116 records a Medium severity (CVSS 4.3) vulnerability in Brave Popup Builder < 0.8.6 - Subscriber+ Unpublished Popup Disclosure via Preview. The current sources do not mark it as known exploited. The current feed maps Unknown/Brave (generic). 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 4.3. 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 Unknown/Brave (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Bravegeneric | >=0 <0.8.6 | 0.8.6 |
Published upstream
Aug 23, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 23, 2026
Brave Popup Builder (slug: brave-popup-builder) has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL.
Quoted source text, attributed separately from HOL analysis.