AstrBotDevs AstrBot up to 4.25.5 session-listing Endpoint open_api.py OpenApiRoute.get_chat_sessions Username authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.9 | $0-$5k | 1.00- |
Summary
A vulnerability described as problematic has been identified in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.get_chat_sessions of the file astrbot/dashboard/routes/open_api.py of the component session-listing Endpoint. Such manipulation of the argument Username leads to authorization.
This vulnerability is referenced as CVE-2026-16075. It is possible to launch the attack remotely. Furthermore, an exploit is available.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. It has been rated as problematic. Affected by this issue is the function OpenApiRoute.get_chat_sessions of the file astrbot/dashboard/routes/open_api.py of the component session-listing Endpoint. The manipulation of the argument username with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality.
The advisory is available at gist.github.com. This vulnerability is handled as CVE-2026-16075. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.
The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.9
VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
07/17/2026 Advisory disclosed07/17/2026 VulDB entry created
07/17/2026 VulDB entry last update
Sources
Advisory: gist.github.comStatus: Not defined
CVE: CVE-2026-16075 (🔒)
GCVE (CVE): GCVE-0-2026-16075
GCVE (VulDB): GCVE-100-379790
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/17/2026 15:44Changes: 07/17/2026 15:44 (57)
Complete: 🔍
Submitter: Eric-d
Cache ID: 216::103
Submit
Accepted
- Submit #852863: AstrBotDevs AstrBot <= 4.25.5 Authorization Bypass Through User-Controlled Key (CWE-639) (by Eric-d)
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