CVE-2026-118029: awswrangler · Unverified ownership of the default Athena query result location in AWS SDK for pandas
Affects awswranglerSource AWS Security Bulletins
Not known to be exploited · CVSS 5.9 Medium : upgrade to 3.16.1 when convenient.
Data as of 28 Oct 2026, 18:32 UTC
- Affects
- awswrangler prior to 3.16.1
- Patch
- Available – fixed in 3.16.1
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade awswrangler to 3.16.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
PyPIawswranglerpkg:pypi/awswranglerOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade awswrangler to version 3.16.1 or later, where this vulnerability has been addressed. Users should ensure that the default Athena query result location is not set to an S3 bucket they do not fully control or verify ownership of. Follow the AWS Security Bulletin for the latest remediation guidance.
Description
CVE-2026-118029 affects the AWS SDK for pandas (awswrangler) Athena module. The vulnerability involves unverified ownership of the default Athena query result location, which could allow a remote user to read query results and tamper with them if a pre-created S3 bucket is used. Versions of awswrangler prior to 3.16.1 are impacted. AWS has published a security bulletin advising attention to this issue.