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01 Record

CVE-2026-3655

OTP Login With Phone Number, OTP Verification <= 1.8.60 - Unauthenticated Authentication Bypass via Firebase OTP Verification

CriticalPUBLISHEDCNA: Wordfence
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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02 Description

OTP Login With Phone Number, OTP Verification <= 1.8.60 - Unauthenticated Authentication Bypass via Firebase OTP Verification

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.51% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 43.2% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-07-21.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-05-29 06:43Z5 MO AGO
Last updated
2026-05-29 10:05Z5 MO AGO
Reserved
2026-03-06
Assigning CNA
Wordfence
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-287Improper AuthenticationClass
Data version
5.2
Document digest
b92f0e46148f5d7bb5ffdd62bac552f44af5fd9aabcf13c54a8a9b9caa6c057e

05 Affected products

VendorProductVersionsPlatforms
glboyOTP Login With Phone Number, OTP Verification1.8.50 to 1.8.60—

06 References