Answer in brief
CVE-2026-16076 records a Medium severity (CVSS 6.3) vulnerability in AstrBotDevs AstrBot API open_api.py OpenApiRoute.chat_send authentication spoofing. The current sources do not mark it as known exploited. The current feed maps AstrBotDevs/AstrBot (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 6.3. 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 AstrBotDevs/AstrBot (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| AstrBotDevs/AstrBotgeneric | 4.25.0 || 4.25.1 || 4.25.2 || 4.25.3 || 4.25.4 || 4.25.5 | Not reported |
Published upstream
Jul 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 18, 2026
A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.chat_send of the file astrbot/dashboard/routes/open_api.py of the component API. Such manipulation of the argument Username leads to authentication bypass by spoofing. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16076 records a Medium severity (CVSS 6.3) vulnerability in AstrBotDevs AstrBot API open_api.py OpenApiRoute.chat_send authentication spoofing. The current sources do not mark it as known exploited. The current feed maps AstrBotDevs/AstrBot (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 6.3. 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 AstrBotDevs/AstrBot (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| AstrBotDevs/AstrBotgeneric | 4.25.0 || 4.25.1 || 4.25.2 || 4.25.3 || 4.25.4 || 4.25.5 | Not reported |
Published upstream
Jul 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 20, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 18, 2026
A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.chat_send of the file astrbot/dashboard/routes/open_api.py of the component API. Such manipulation of the argument Username leads to authentication bypass by spoofing. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.