Vulnerabilities

Vulnerability · CVE-2026-59978

AdminNeo: version-cache array injection causes persistent denial of service

Published Oct 30, 2026 · AdminNeo: version-cache array injection

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-59978. EPSS is 0.65%. Act only if a listed version of AdminNeo: version-cache array injection is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (AdminNeo: version-cache array injection).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.65%
Remediation
Not established
Affected products
composer adminneo-org

AdminNeo v5.4.1 gets the latest version from GitHub API in a browser JavaScript function. Version number is then sent by POST request to ?script=version. This endpoint lacks origin validation and accepts POST data from any source. An attacker can POST version[] parameter which PHP converts to an array. On next page load, function rawurlencode() receives this array instead of string and throws TypeError, returning HTTP 500 to all users for …

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • composer adminneo-orgversion unspecified

How to fix CVE-2026-59978

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-59978. EPSS is 0.65%. Act only if a listed version of AdminNeo: version-cache array injection is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.65%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2026 · GitLab Advisory Database

    Detected

    AdminNeo v5.4.1 gets the latest version from GitHub API in a browser JavaScript function. Version number is then sent by POST request to ?script=version. This endpoint lacks origin validation and accepts POST data from any source. An attacker can POST version[] parameter which PHP converts to an array. On next page load, function rawurlencode() receives this array instead of string and throws Type

Sources

  • CVE.orgVulnerability recordCVE-2026-59978

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-59978

    30-day exploitation probability 0.65%

    first.org
  • GitLab Advisory DatabasePackage advisoryCVE-2026-59978

    AdminNeo v5.4.1 gets the latest version from GitHub API in a browser JavaScript function. Version number is then sent by POST request to ?script=version. This endpoint lacks origin validation and accepts POST data from any source. An attacker can POST version[] parameter which PHP converts to an array. On next page load, function rawurlencode() receives this array instead of string and throws Type

    advisories.gitlab.com

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • GitLab Advisory DatabaseNov 3, 2026
  • FIRST EPSSOct 31, 2026
  • CVE.orgOct 31, 2026
CVE-2026-59978: AdminNeo 5.4.1 · ZeroDay Findings