CVE-2024-7340 json
W&B Weave server remote arbitrary file leak and privilege escalation
published 2024-07-31 2 y ago modified 2026-07-07 4 mo ago also GHSA-r49h-6qxq-624f , PYSEC-2026-2035 , EUVD-2024-2408
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.0%
- EPSS 5.0% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
5.01% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template W&B Weave Server - Remote Arbitrary File Leak nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | weave | <0.50.8 |
0.50.8 |
Affected products
- weights_\&_biases weave
Classification
References
-
github.com
/wandb/weave/pull/1657
patch, web
-
github.com
/wandb/weave/commit/f43d5fb75e0d52933a52ecd9a0ce2f9b082e6c9f
web
-
research.jfrog.com
/vulnerabilities/wandb-weave-server-remote-arbitrary-file-leak-jfsa-2024-001039248/
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-7340
advisory
-
github.com
/wandb/weave
package
-
research.jfrog.com
/vulnerabilities/wandb-weave-server-remote-arbitrary-file-leak-jfsa-2024-001039248
web
-
pypi.org
/project/weave
package
-
github.com
/advisories/GHSA-r49h-6qxq-624f
advisory
Sources
- CVE List CVE-2024-7340
- GitHub Advisory GHSA-r49h-6qxq-624f
- NVD CVE-2024-7340
- OSV PYSEC-2026-2035
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