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CVE-2026-82644

8.7
High
EPSS 0.26%Patch availableSep 1, 2026

Auth rate-limit bypass lets attackers perform unlimited login attempts.

common questions

Is CVE-2026-82644 being exploited?

Not confirmed. CVE-2026-82644 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 0.26% probability of exploitation in the next 30 days.

How severe is CVE-2026-82644?

CVE-2026-82644 is rated High with a CVSS score of 8.7. 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-2026-82644?

Yes. A fix has been recorded for CVE-2026-82644. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-82644 affect?

CVE-2026-82644 affects WWBN AVideo <= e01e41ecc, login.json.php, 13 other endpoints protected by enforceRateLimit(). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-82644?

Reject missing/default User-Agent, enforce server-side rate limits, block common bot UAs, enable MFA; apply vendor patch when released

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

executive summary
technical analysis
affected
WWBN AVideo <= e01e41ecclogin.json.php13 other endpoints protected by enforceRateLimit()
impact

Unauthenticated attackers can bypass rate limits by omitting/defaulting User-Agent, enabling unrestricted brute-force logins and potential account takeover.

action required

Immediate action required

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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