CVE-2024-7340
W&B Weave server remote arbitrary file leak and privilege escalation
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
W&B Weave server remote arbitrary file leak and privilege escalation
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
CVE-2024-7340- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2024-2408
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
EUVD-2024-2408- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r49h-6qxq-624f
Weave server API vulnerable to arbitrary file leak
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
GHSA-r49h-6qxq-624f- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-22
- Updated
- 2026-11-02
NVD
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
CVE-2024-7340- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22, CWE-20
- Updated
- 2026-11-02
OSV
W&B Weave server remote arbitrary file leak and privilege escalation
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
CVE-2024-7340- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-r49h-6qxq-624f
Weave server API vulnerable to arbitrary file leak
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
GHSA-r49h-6qxq-624f- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-22
- Updated
- 2026-11-02
OSVPYSEC-2026-2035
Weave server API vulnerable to arbitrary file leak
The Weave server API allows remote users to fetch files from a specific directory, but due to a lack of input validation, it is possible to traverse and leak arbitrary files remotely. In various common scenarios, this allows a low-privileged user to assume the role of the server admin.
- Record
PYSEC-2026-2035- CVSS 4.0
- 8.7 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
weavePyPI |
before 0.50.8 | 0.50.8 |
weavePyPI |
before 0.50.8, plus listed versions 0.20.00.20.0.dev10.20.0.dev20.21.00.22.0 Show 36 moreShow less0.23.00.24.00.24.10.25.00.26.00.27.00.28.00.29.00.30.00.31.00.32.00.33.00.34.00.35.00.36.00.37.00.38.00.39.00.40.00.41.00.42.00.43.00.44.00.45.00.46.00.47.00.48.00.49.00.50.00.50.10.50.20.50.30.50.40.50.50.50.60.50.7 |
0.50.8 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | W&B Weave Server - Remote Arbitrary File Leak |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-7340 is a high vulnerability (CVSS 8.8) in Weights \& Biases Weave, published July 31, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.01%, the 92nd percentile. Fixed in weave 0.50.8.
References
research.jfrog.com/vulnerabilities/wandb-weave-server-remote-arbitrary-file-leak-jfsa-2024-001039248
github.com/wandb/weave/pull/1657
nvd.nist.gov/vuln/detail/CVE-2024-7340
pypi.org/project/pip