What is CVE-2026-81707?

CVE-2026-81707 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-08-27.

How severe is CVE-2026-81707?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Jahlives OpenSSL Encrypt

CVE-2026-81707

openssl_encrypt before 1.4.9 fails to sanitize the email field of imported identity documents, allowing attackers to inject ANSI escape sequences that forge the fingerprint verification line displayed to users. Attackers can deliver a crafted identity bundle through normal contact-exchange flows or keyserver responses to manipulate terminal output and display a fraudulent fingerprint, bypassing the out-of-band verification mechanism that protects against key substitution attacks.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jahlives Openssl_encrypt

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-81707?: CVE-2026-81707 is a critical-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2026-08-27.
How severe is CVE-2026-81707?: Critical severity. CVSS v3 base score is 9.8 out of 10.