5.0
MEDIUM CVSS 3.1
CVE-2026-120497
Stored cross-site scripting in the HTML report generator of aidlc-traceability in AWS AI-DLC Workflows
Description

Stored cross-site scripting (XSS) in the HTML report generator in the aidlc-traceability CLI in AWS AI-DLC Workflows before 2026-07-03 might allow an actor who can modify a project's AI-DLC artifact files to execute arbitrary script in the browser of a user who opens a generated HTML traceability report via crafted artifact titles or descriptions. To remediate this issue, users should remove any local copy of the aidlc-traceability CLI obtained before 2026-07-03, or update it to commit 96cf0ea or later. The CLI was removed from the repository on 2026-07-16.

INFO

Published Date :

Nov. 2, 2026, 7:18 p.m.

Last Modified :

Nov. 2, 2026, 8:17 p.m.

Remotely Exploit :

No

Source :

ff89ba41-3aa1-4d27-914a-91399e9639e5
Affected Products

The following products are affected by CVE-2026-120497 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Aws aidlc-traceability
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 MEDIUM ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS 4.0 MEDIUM ff89ba41-3aa1-4d27-914a-91399e9639e5
Solution
Update the aidlc-traceability CLI to version 96cf0ea or later, or remove local copies.
  • Update aidlc-traceability CLI to commit 96cf0ea or later.
  • Remove local copies of the CLI if not updated.
  • Remove the CLI from the repository if present.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120497 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-120497 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-120497 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-120497 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Nov. 02, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/awslabs/aidlc-workflows/security/advisories/GHSA-gjmq-52p3-7fh2
    Added SSVC {'id': 'CVE-2026-120497', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-11-02T19:37:58.915925Z'}
  • New CVE Received by ff89ba41-3aa1-4d27-914a-91399e9639e5

    Nov. 02, 2026

    Action Type Old Value New Value
    Added Description Stored cross-site scripting (XSS) in the HTML report generator in the aidlc-traceability CLI in AWS AI-DLC Workflows before 2026-07-03 might allow an actor who can modify a project's AI-DLC artifact files to execute arbitrary script in the browser of a user who opens a generated HTML traceability report via crafted artifact titles or descriptions. To remediate this issue, users should remove any local copy of the aidlc-traceability CLI obtained before 2026-07-03, or update it to commit 96cf0ea or later. The CLI was removed from the repository on 2026-07-16.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/120xxx/CVE-2026-120497.json">CVE-2026-120497</a>
    Added Reference https://aws.amazon.com/security/security-bulletins/2026-163-aws/
    Added Reference https://github.com/awslabs/aidlc-workflows/commit/96cf0eaa31a3ad8636e486c7fd2b91c55166393f
    Added Reference https://github.com/awslabs/aidlc-workflows/security/advisories/GHSA-gjmq-52p3-7fh2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.