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PatchSiren cyber security CVE debrief

CVE-2026-46347 intranda CVE debrief

The Goobi viewer, a web application for displaying digitized material, had a predictable replacement password generation issue prior to version 26.05. This allowed for potential account takeover after a password reset under certain conditions. The issue was patched in version 26.05, and administrators and users should assess their exposure and prioritize upgrading to the latest version. The predictable replacement password generation issue required attention from administrators and users to prevent potential account takeovers and ensure secure password generation. The insufficient entropy allowed the password to be brute-forced by an attacker who can approximate the server-side

Vendor
intranda
Product
goobi-viewer-core
CVSS
MEDIUM 6.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-23
Original CVE updated
2026-10-29
Advisory published
2026-10-23
Advisory updated
2026-10-29

Who should care

Goobi viewer administrators and users with exposure to vulnerable versions should assess their exposure and prioritize upgrading to version 26.05 or later. They should review password reset procedures and ensure secure password generation. They should also monitor for potential account takeover attempts. The affected operator, platform, vulnerability-management, and security-team impact should be reviewed to ensure a comprehensive understanding of the

Why it matters

The predictable replacement password generation issue in Goobi viewer versions prior to 26.05 requires attention from administrators and users to prevent potential account takeovers and ensure secure password generation.

  • Potential account takeover after password reset
  • Brute-force attacks possible due to predictable password generation
  • Need for secure password generation and reset procedures

Technical summary

The Goobi viewer application generated replacement passwords in a predictable way, allowing for potential brute-force attacks. This issue was patched in version 26.05. The predictable replacement password generation issue in Goobi viewer versions prior to 26.05 requires attention from administrators and users to prevent potential account takeovers and ensure secure password generation. The insufficient entropy allowed the password to be brute-forced by an attacker who can approximate the server-side generation time. Exploiting this finding in isolation requires the victim to have triggered the reset themselves and the attacker to infer the server time from network or email metadata.

Defensive priority

Medium priority for Goobi viewer administrators and users with exposure to the vulnerable versions.

Recommended defensive actions

  • Upgrade to Goobi viewer version 26.05 or later
  • Review password reset procedures and ensure secure password generation
  • Monitor for potential account takeover attempts
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the predictable replacement password generation issue in Goobi viewer versions prior to 26.05. The issue has been patched in version 26.05. The CVE record was published on 2026-10-23T14:14:51.802Z and has not been modified since then. The source item providing details on the predictable replacement password generation issue. The official CVE Program record with source-provided CVE metadata and the official NIST NVD detail page and source-specific vulnerability assessment provide

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46347 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46347

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

  • CVE-2026-46347 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46347

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

Supplemental references

  • Goobi viewer: Predictable Replacement Password Allows Account Takeover After Password Reset

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/46xxx/CVE-2026-46347.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-hw9w-7r6g-2fjc

    Supplemental source - x_refsource_CONFIRM

  • Source reference

    Unverified legacy reference

    URL: https://github.com/intranda/goobi-viewer-core/commit/1fa7a30a3a7699a82ea0df9c1a8997b2894d7841

    Supplemental source - x_refsource_MISC

  • Source reference

    Unverified legacy reference

    URL: https://github.com/intranda/goobi-viewer-core/commit/9c2c83f00f497c11ab6aaa0bd5a68173cd446eef

    Supplemental source - x_refsource_MISC

  • Source reference

    Unverified legacy reference

    URL: https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05

    Supplemental source - x_refsource_MISC

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.