TI-2026-56465 Aliases CVE-2026-81838 GHSA-5w99-758f-6jvm

Zip Slip Arbitrary File Write in AWS diagram-as-code (awsdac)

LOW 29CWE-23Published 2026-08-27 · Updated 2026-08-28

Key facts

Attack vector: Local
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A relative path traversal issue in the zip extraction functionality in AWS diagram-as-code (awsdac) in versions 0.10 through 0.23 can allow a third party to write arbitrary files to the local filesystem via crafted zip entry names containing path traversal sequences. This could allow the third party to perform inappropriate actions in the diagram bundle. To remediate this issue, users should upgrade to the version 0.24 or later.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00199 9th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
AWS	diagram-as-code	0.10 – 0.23	—	No fix listed	CNA

diagram-as-code VendorAWS Affected 0.10 – 0.23 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:amazon:diagram-as-code::::::::	0.10 to before 0.24	Vulnerable	AWS

cpe:2.3:a:amazon:diagram-as-code:*:*:*:*:*:*:*:* Versions 0.10 to before 0.24 Vulnerable ·AWS

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-81838
2026-10-03 Alias added: GHSA-5w99-758f-6jvm

References

Patch 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences