What’s Vulnerable › Vulnerabilities

CVE-2026-19974: treefrogframework treefrog-framework Session Cookie tsessioncookiestore.cpp strncmp improper authentication

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-17 · updated 2026-08-20
• Weakness: CWE-287

Description

A security flaw has been discovered in treefrogframework treefrog-framework up to 2.11.2. This vulnerability affects the function std::strncmp of the file src/tsessioncookiestore.cpp of the component Session Cookie Handler. The manipulation results in improper authentication. The attack can be launched remotely. A high complexity level is associated with this attack. It is stated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure.

Affected products

• treefrogframework treefrog-framework: 2.11.0, 2.11.1, 2.11.2

References

• https://github.com/theopaid/Authentication-Bypass-via-HMAC-Session-Cookie-Forgery-treefrog-framework-
• https://github.com/treefrogframework/treefrog-framework/
• https://github.com/treefrogframework/treefrog-framework/issues/436
• https://vuldb.com/cve/CVE-2026-19974
• https://vuldb.com/submit/873625
• https://vuldb.com/vuln/391153
• https://vuldb.com/vuln/391153/cti

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