CVE-2026-54510 Speakr - Authentication & CSRF Bypass

Speakr < 0.8.21-alpha contains a broken authentication caused by improper token validation and permanent CSRF exemption in Flask-WTF, letting network attackers bypass CSRF and modify user/admin data, exploit requires attacker-controlled sibling subdomain and crafted cross-origin requests.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication
Impact
Broken Access Control, Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-287

Vendor fix

Update to version 0.8.21-alpha or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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