CVE-2026-19974: treefrogframework treefrog-framework · Improper Authentication
Affects treefrogframework treefrog-frameworkSource CVE Database V5
Public exploit available · CVSS 6.3 Medium.
Data as of 14 Nov 2026, 20:44 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| treefrogframeworktreefrog-framework | Affected
| Fixed in– |
GitHubtreefrogframework/treefrog-frameworkpkg:github/treefrogframework/treefrog-frameworkOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:treefrogframework:treefrog-framework:*:*:*:*:*:*:*:*
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AI-suggested
Until an official fix is released, consider restricting access to affected versions and monitoring for exploitation attempts. Avoid deploying affected versions in sensitive environments if possible.
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.
References
- vuldb.com/vuln/391153 (opens in a new tab)
- vuldb.com/vuln/391153/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-19974 (opens in a new tab)
- vuldb.com/submit/873625 (opens in a new tab)
- github.com/treefrogframework/treefrog-framework/issues/436 (opens in a new tab)
- github.com/treefrogframework/treefrog-framework/ (opens in a new tab)
- github.com/theopaid/Authentication-Bypass-via-HMAC-Session-Cookie-Forgery-treefrog-framework- (opens in a new tab)