CVE-2016-7036: python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging failure to use a constan...

Security readout for executives and security teams

CVE-2016-7036 is a weakness in python-jose before 1.3.2 involving non-constant-time comparison of HMAC keys. In plain terms, sensitive comparisons may have leaked timing differences. The public record says the impact is unspecified, so business urgency depends on whether affected versions protect authentication or authorization paths. Applications using python-jose versions earlier than 1.3.2, especially where HMAC-based JOSE/JWT verification protects authentication or authorization decisions. The CVE record does not provide CPEs or a full affected-version matrix, so confirm exposure from dependency inventories. Treat this as a targeted dependency hygiene item, not an emergency based on current evidence. Prioritize remediation if affected python-jose versions are used in authentication-sensitive services, because cryptographic comparison flaws can undermine trust boundaries even when public impact details are sparse. Mitigation focus: Identify all applications and services using python-jose.; Upgrade python-jose to version 1.3.2 or later.; Prioritize systems where JOSE/JWT HMAC validation controls access..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.