High severity8.1OSV Advisory· Published Mar 12, 2019· Updated Jun 17, 2026
CVE-2019-9710
CVE-2019-9710
Description
An issue was discovered in webargs before 5.1.3, as used with marshmallow and other products. JSON parsing uses a short-lived cache to store the parsed JSON body. This cache is not thread-safe, meaning that incorrect JSON payloads could have been parsed for concurrent requests.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
webargsPyPI | < 5.1.3 | 5.1.3 |
Affected products
3- Range: 0.1.0, 0.10.0, 0.11.0, …
Patches
Vulnerability mechanics
References
8- github.com/marshmallow-code/webargs/issues/371nvdExploitIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-8554-jxcw-454qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2019-9710ghsaADVISORY
- webargs.readthedocs.io/en/latest/changelog.htmlnvdRelease NotesThird Party AdvisoryWEB
- github.com/marshmallow-code/webargs/commit/716bd8d1f24c84aaf99170efaa17d1d34206f6c0ghsaWEB
- github.com/marshmallow-code/webargs/pull/373ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/webargs/PYSEC-2019-139.yamlghsaWEB
- webargs.readthedocs.io/en/latest/changelog.htmlghsaWEB
News mentions
0No linked articles in our index yet.