VPS.org one-click Zulip template deployment instance contains multiple vulnerabilities

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16504
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-31 16:16:58 UTC
Updated2026-09-08 14:09:10 UTC
DescriptionDeployment of the VPS.org one-click Zulip template deploys a hardcoded application signing key, a default database password ("zulip"), and DISABLE_HTTPS=True.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002680000 probability, percentile 0.187240000 (date 2026-08-05)

Problem Types: CWE-321 | CWE-1188 | CWE-1393 | CWE-1188: Initialization of a Resource with an Insecure Default | CWE-321: Use of Hard-coded Cryptographic Key | CWE-1393: Use of Default Password | CWE-1188 CWE-1188 Initialization of a Resource with an Insecure Default | CWE-321 CWE-321 Use of Hard-coded Cryptographic Key | CWE-1393 CWE-1393 Use of Default Password

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VPS.org Zulip Template affected N/A Not specified

References

ReferenceSourceLinkTags
kb.cert.org/vuls/id/243636 [email protected] kb.cert.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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