Vulnerability · Published Aug 17, 2026 · Assigned by VulnCheck

CVE-2026-74879openssl_encrypt before 1.4.0 Information Disclosure via /ready endpoint

High 7.5

In plain English

A high-severity security flaw in openssl_encrypt from jahlives. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 61.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

openssl_encrypt versions before 1.4.0 contain an information disclosure vulnerability in the /ready endpoint that returns full database exception strings to unauthenticated callers. Attackers can trigger database errors to extract sensitive information including hostnames, IP addresses, connection parameters, and potentially credentials from exception messages.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	openssl-encrypt	1.4.0	GHSA-2vhw-q7vh-7xv2
PyPI	openssl-encrypt	1.4.0	PYSEC-2026-3758

Affected products (as reported)

Vendor	Product	Versions
jahlives	openssl_encrypt	0 – before 1.4.0

Weakness: CWE-209 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-2vhw-q7vh-7xv2) vendor-advisory
VulnCheck Advisory: openssl_encrypt before 1.4.0 Information Disclosure via /ready endpoint third-party-advisory