5.3
MEDIUM CVSS 3.1
CVE-2026-16077
AstrBotDevs AstrBot Filesystem Computer-Use Tool fs.py _normalize_rw_path link following
Description

A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

July 18, 2026, 7:16 a.m.

Last Modified :

July 18, 2026, 7:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-16077 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update AstrBot to a version that addresses the path traversal vulnerability.
  • Update AstrBot to a secure version.
  • Review filesystem access controls.
  • Apply vendor patches when available.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-16077.

URL Resource
https://gist.github.com/YLChen-007/d2581be79bb3caf9a032b0614dfc7728
https://vuldb.com/cve/CVE-2026-16077
https://vuldb.com/submit/852865
https://vuldb.com/vuln/379792
https://vuldb.com/vuln/379792/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-16077 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-16077 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-16077 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-16077 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jul. 18, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*'], 'vendor': 'AstrBotDevs', 'modules': ['Filesystem Computer-Use Tool'], 'product': 'AstrBot', 'versions': [{'status': 'affected', 'version': '4.25.0'}, {'status': 'affected', 'version': '4.25.1'}, {'status': 'affected', 'version': '4.25.2'}, {'status': 'affected', 'version': '4.25.3'}, {'status': 'affected', 'version': '4.25.4'}, {'status': 'affected', 'version': '4.25.5'}]}]
    Added Description A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-59
    Added Reference https://gist.github.com/YLChen-007/d2581be79bb3caf9a032b0614dfc7728
    Added Reference https://vuldb.com/cve/CVE-2026-16077
    Added Reference https://vuldb.com/submit/852865
    Added Reference https://vuldb.com/vuln/379792
    Added Reference https://vuldb.com/vuln/379792/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.