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PatchSiren cyber security CVE debrief

CVE-2026-100190 ail project CVE debrief

The AIL Framework crawler splash domain page (showDomain.html) is vulnerable to stored cross-site script injection (XSS) via user-supplied data from imported crawler captures. This vulnerability allows attackers to inject malicious scripts, potentially leading to session hijacking, data exfiltration, or unauthorized actions. Defenders managing AIL Framework deployments, especially those with user-role API clients, should assess exposure and prioritize mitigation. The vulnerability's impact is supported by the CVE record and NVD entry, but further verification is needed to determine affected versions and remediation.

Vendor
ail project
Product
ail framework
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-25
Original CVE updated
2026-09-25
Advisory published
2026-09-25
Advisory updated
2026-09-25

Who should care

Defenders managing AIL Framework deployments, especially those with user-role API clients, should assess exposure and prioritize mitigation. This includes reviewing the vulnerability's impact on their specific environment, verifying the presence of the vulnerability, and implementing necessary controls to prevent exploitation. Security teams and vulnerability management teams should also be aware of the potential risks and take appropriate actions.

Why it matters

Defenders should care about CVE-2026-100190 because it allows attackers to inject malicious scripts into AIL Framework domain pages, potentially leading to session hijacking, data exfiltration, or unauthorized actions. Those managing AIL Framework deployments, especially with user-role API clients, should assess exposure and prioritize mitigation. The vulnerability's impact is supported by the CVE record and NVD entry, but further verification is needed to determine affected versions and remediation.

  • Session hijacking via injected scripts
  • Data exfiltration through unauthorized actions
  • Unauthorized actions on behalf of victims
  • Verification of vulnerability presence and scope

Technical summary

The AIL Framework crawler splash domain page (showDomain.html) is vulnerable to stored cross-site script injection (XSS) due to user-supplied data from imported crawler captures being interpolated directly into inline JavaScript contexts within the HTML template. This includes an onclick attribute that embedded raw screenshot and URL values into a JavaScript function call, and an inline script block that assigned a screenshot value to a JavaScript variable without escaping. An attacker with a user-role API client could craft a malicious crawler capture import containing JavaScript payloads in these fields.

Defensive priority

Defenders should prioritize verifying and mitigating this vulnerability, especially those managing AIL Framework deployments.

Recommended defensive actions

  • Verify AIL Framework deployments for vulnerability to stored XSS
  • Mitigate stored XSS vulnerability by sanitizing user-supplied data
  • Monitor for suspicious activity on AIL Framework domain pages
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description and CVSS score of 6.3. However, the current information has limitations, and defenders should verify the vulnerability's presence and scope within their AIL Framework deployments. The evidence is based on official sources, but additional verification tasks are necessary to ensure accurate understanding of the vulnerability's impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-100190 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-100190

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-100190 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-100190

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://github.com/ail-project/ail-framework/commit/31376ee3d04519c898bb9b3671453a41c4117340

    5a6e4751-2f3f-4070-9419-94fb35b644e8

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.