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CVE-2026-127092VulnerabilityPublished

BuildAdmin 1.0.1 through 2.3.9 contains a stored cross-site scripting vulnerability that allows unauthenticated

Source GCVE Database

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Authoritative record:CVE-2026-127092· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium.

Data as of 13 Nov 2026, 13:48 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.05.3
CNA (VulnCheck)CVSS 3.16.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  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), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
build-adminBuildAdminAffected
  • >=1.0.1 <=2.3.9
Fixed in–
GitHubBuildAdminpkg:github/BuildAdminOther threatsAffected
  • >=1.0.1 <=2.3.9
Fixed in–

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

AI-suggested

Until a fix is available, administrators should avoid clicking URL open buttons in the admin operation log if the source of the log entry is untrusted. Monitoring for updates from the vendor is recommended.

Description

BuildAdmin versions 1.0.1 through 2.3.9 are affected by a stored cross-site scripting (XSS) vulnerability. This flaw allows unauthenticated attackers to inject malicious javascript: URLs into the admin operation log via the X-Rewrite-URL header. When an administrator clicks the URL open button in the log entry, the injected script executes in the backend origin, stealing the adminInfo token from localStorage and enabling account takeover.

References

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