CVE-2026-5708: AWS Research and Engineering Studio (RES) · Mass Assignment
Affects AWS Research and Engineering Studio (RES)Source CVE Database V5
Not known to be exploited · CVSS 8.8 High · patch available : patch AWS Research and Engineering Studio (RES) soon.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 6 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AWSResearch and Engineering Studio (RES) | Affected
| Fixed in– |
GitHubaws/respkg:github/aws/resOther 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
AWS manages remediation for this cloud-hosted service. Users should upgrade to AWS RES version 2026.03 or apply the corresponding mitigation patch as advised in the AWS security bulletin (https://aws.amazon.com/security/security-bulletins/2026-014-aws/). Patch status is confirmed as available. No additional action is required beyond applying the official fix.
Description
CVE-2026-5708 is a high-severity vulnerability in AWS Research and Engineering Studio (RES) prior to version 2026.03. It involves improper control of user-modifiable attributes during session creation, allowing an authenticated remote user to escalate privileges and assume the virtual desktop host instance profile permissions. This could enable interaction with AWS resources and services beyond intended access. AWS manages the remediation for this cloud service and advises upgrading to version 2026.03 or applying the corresponding mitigation patch. No known exploits in the wild have been reported.