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CVE-2026-78555

9.4
Critical
EPSS 0.36%Patch availableAug 25, 2026

Admin UI leaked full API keys in HTML allowing token theft and privileged access.

common questions

Is CVE-2026-78555 being exploited?

Not confirmed. CVE-2026-78555 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.36% probability of exploitation in the next 30 days.

How severe is CVE-2026-78555?

CVE-2026-78555 is rated Critical with a CVSS score of 9.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-78555?

Yes. A fix has been recorded for CVE-2026-78555. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-78555 affect?

CVE-2026-78555 affects RansomLook (admin /admin/apikeys). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-78555?

Install vendor patch, rotate/revoke exposed API keys, audit access logs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
RansomLook (admin /admin/apikeys)
impact

Full API keys embedded in page source; attackers or intermediaries can steal tokens to access private data and perform privileged API actions.

action required

Immediate action required

affected versions
ransomlook ransomlook
  • affected<= 2.0.0

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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