CVE EVIDENCE REVIEW
ReviewHighEvidence review

CVE-2026-78553 evidence review

ransomlook

RansomLook created its Flask session-signing key without explicitly restricting the file permissions. The secret_key file was created using the process's default permissions and umask, resulting in permissions such as 0644 under a common 022 umask. Consequently, other local users able to access the RansomLook home directory could read the application's cryptographic secret. The exposed key is security-critical because it is used to sign Flask session cookies and is also involved in the legacy API-key key derivation. An attacker who obtains the key can generate valid session cookies and impe...

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Evidence review

This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.

Productransomlook
Affected versions<= 2.0.0
Fixed versionsNo verified fixed-version field is available yet
Priority basisReview · CVSS 7 · EPSS -
01

Identify the product and installed version

Record whether ransomlook is present, where it is installed, and which interfaces are exposed.

  • Record the product name, package or appliance identifier, and installed version.
  • Identify internet-facing, administrative, API, and internal access paths.
  • Preserve the pre-change configuration and relevant service logs.
02

Compare the affected range

Use the current record as an identification aid: <= 2.0.0. Resolve incomplete inventory results before deciding that an asset is unaffected.

03

Verify the authoritative remediation source

Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.

Operational boundary

This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.