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CVE-2026-77427 error311 CVE debrief

CVE-2026-77427 debrief: FileRise insecure default cryptographic key fallback allows decryption of secrets in manual installs. The vulnerability exists in FileRise manual installations from version 3.9.0 to 3.22.0, where a legacy compatibility key is used, allowing decryption of TOTP secrets or credentials if an attacker obtains ciphertext-bearing account or configuration files. Docker installations are not affected as they generate a unique persistent key. Existing installations do not have their encrypted state automatically rotated to avoid making it unreadable. Defenders should assess exposure, verify version and configuration, and upgrade to version 3.22.0 to fix the issue.

Vendor
error311
Product
FileRise
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-14
Advisory published
2026-10-14
Advisory updated
2026-10-14

Who should care

Defenders of manual FileRise installations should assess exposure and verify version and configuration to mitigate the vulnerability. This includes operators, platform administrators, vulnerability management teams, and security teams responsible for ensuring the security and integrity of FileRise installations.

Why it matters

CVE-2026-77427 allows decryption of secrets in manual FileRise installations, defenders should assess exposure and verify version and configuration.

  • Decrypt TOTP secrets or credentials if an attacker obtains ciphertext-bearing account or configuration files
  • Verify version and configuration to assess exposure
  • Upgrade to 3.22.0 to fix the issue

Technical summary

FileRise manual installs from 3.9.0 to 3.22.0 have an insecure default cryptographic key fallback, allowing decryption of secrets if an attacker obtains ciphertext-bearing account or configuration files. The issue is fixed in version 3.22.0. Docker installations are not affected. Existing installations do not have their encrypted state automatically rotated. Defenders should assess exposure and verify version and configuration to mitigate the vulnerability. The vulnerability class is related to insecure default cryptographic key management.

Defensive priority

Assess exposure in manual FileRise installations, verify version and configuration, and upgrade to 3.22.0.

Recommended defensive actions

  • Assess exposure in manual FileRise installations
  • Verify version and configuration
  • Upgrade to 3.22.0
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets
  • Confirm whether affected product deployments exist in managed environments

Evidence notes

Official CVE Program record and NVD vulnerability detail provide information on the insecure default cryptographic key fallback in FileRise manual installs. The CVE record was published on 2026-10-14T20:32:55.815Z and has not been modified since then. The vulnerability allows decryption of secrets in manual FileRise installations. Defenders should verify version and configuration to assess exposure. The issue is fixed in version 3.22.0. Evidence is limited to public CVE Program and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-77427 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-77427

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

  • CVE-2026-77427 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-77427

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

Supplemental references

  • FileRise: Insecure default cryptographic key fallback in manual installs

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/77xxx/CVE-2026-77427.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/error311/FileRise/security/advisories/GHSA-g6p5-9cpq-mp5h

    Supplemental source - x_refsource_CONFIRM

  • Source reference

    Unverified legacy reference

    URL: https://github.com/error311/FileRise/commit/b5213b66d4c668a45f1b7600aa62b79cb66ddbe6

    Supplemental source - x_refsource_MISC

  • Source reference

    Unverified legacy reference

    URL: https://github.com/error311/FileRise/releases/tag/v3.22.0

    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.