CVE-2026-8754
CVE-2026-8754 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-30700
- Weakness: CWE-22
- Published:
- Last modified:
Description
A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function post_file of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulation of the argument filename results in path traversal. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 4.23.6 is recommended to address this issue. The patch is identified as aaec41e5054569ceaa1113593a34da7568e2d211. You should upgrade the affected component.
Frequently asked questions
- What is CVE-2026-8754?
- A vulnerability was detected in AstrBotDevs AstrBot up to 4.23.5. Impacted is the function post_file of the file astrbot/dashboard/routes/chat.py of the component File Upload Handler. The manipulation of the argument filename results in path traversal. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 4.23.6 is recommended to address this issue. The patch is identified as aaec41e5054569ceaa1113593a34da7568e2d211. You should upgrade the affected component.
- How severe is CVE-2026-8754?
- CVE-2026-8754 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-8754 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-8754?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-8754 have an EU (EUVD) identifier?
- Yes. CVE-2026-8754 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30700.
- When was CVE-2026-8754 published?
- CVE-2026-8754 was published on 2026-05-17 and last updated on 2026-06-17.
References
- https://gist.github.com/YLChen-007/054415c2b63e58813328bc879a90c504
- https://github.com/AstrBotDevs/AstrBot/
- https://github.com/AstrBotDevs/AstrBot/commit/aaec41e5054569ceaa1113593a34da7568e2d211
- https://github.com/AstrBotDevs/AstrBot/releases/tag/v4.23.6
- https://vuldb.com/submit/811172
- https://vuldb.com/vuln/364381
- https://vuldb.com/vuln/364381/cti
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