Description
web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status. NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | web2py | 2.12.3-1ubuntu0.1 | USN-4030-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | web2py | < 2.14.2 | 2.14.2 | GHSA-jr83-vr4j-mp6p |
Advisories 1
- USN-4030-1 web2py vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026