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VulnerabilityPublished

CVE-2026-41200: NUWCDIVNPT stig-manager · Cross-site Scripting

Affects NUWCDIVNPT stig-managerSource CVE Database V5

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Not known to be exploited · CVSS 8.5 High : upgrade to 1.6.8 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
8.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.6.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    Public exploit code: GitHub proofs of concept

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade stig-manager and nuwcdivnpt/stig-manager to 1.6.8.

Affected software

ProductAffectedFixed in
NUWCDIVNPTstig-managerAffected
  • >=1.5.10 <1.6.8
Fixed in
  • 1.6.8
GitHubnuwcdivnpt/stig-managerpkg:github/nuwcdivnpt/stig-managerOther threatsAffected
  • >=1.5.10 <1.6.8
Fixed in
  • 1.6.8

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

The vulnerability is patched in STIG Manager version 1.6.8. Users should upgrade to this version to fully remediate the issue. There is no known workaround other than upgrading. Deployments using web application firewalls that filter reflected XSS payloads in query parameters may experience partial mitigation, but this does not replace the need to apply the official fix.

Description

STIG Manager versions 1.5.10 through 1.6.7 contain a reflected Cross-Site Scripting (XSS) vulnerability in the OIDC authentication error handling code. The vulnerability arises because the 'error' and 'error_description' query parameters are inserted into the DOM without proper HTML escaping, allowing execution of arbitrary JavaScript. This is particularly dangerous if the user has an active STIG Manager session in another tab, as the injected script can interact with the SharedWorker managing authentication tokens, enabling unauthorized API requests. The issue is fixed in version 1.6.8.

References

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