SEPTEMBER 17, 2026
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Case File

CVE-2026-74880

CRITICAL · CVSS 9.8 EPSS 0.31% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-17 · Last synced 2026-09-16

CyberRota Analysis

AI-Generated

OpenSSL versions prior to 1.4.0 are vulnerable as they improperly handle refresh tokens in URL query parameters for keyserver and telemetry server routes. This flaw allows attackers to extract sensitive tokens from various logs and headers, potentially leading to unauthorized access. Organizations using affected versions of OpenSSL should prioritize immediate updates to mitigate this critical security risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-74880
Severity
CRITICAL
CVSS
9.8
EPSS
0.31%
OpenSSL

Original NVD Description

openssl_encrypt versions before 1.4.0 accept refresh tokens as URL query parameters in keyserver and telemetry server routes. Attackers can extract tokens from server logs, proxy logs, browser history, and HTTP Referer headers to gain unauthorized access.

Related CVEs

Other vulnerabilities affecting the same vendor(s)