PYSEC-2026-360

Dashboard / Vulnerabilities / PYSEC-2026-360

PYSEC-2026-360

Summary: Session Fixation in ipsilon

Details: A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability."

References: https://nvd.nist.gov/vuln/detail/CVE-2016-8638, https://github.com/ipsilon-project/ipsilon/commit/1c48414877fc110652b6078a29529972c7ec9122, https://github.com/ipsilon-project/ipsilon/commit/64fc366c054fc6af1d9d2692902db169884b5f78, https://github.com/ipsilon-project/ipsilon/commit/a33303b6beb5c316d7c18b23566b7666a4e307a4, https://github.com/ipsilon-project/ipsilon/commit/b4744a92d4fa7f6d7ade0ae2d99a2dc0ea94734d, https://access.redhat.com/errata/RHSA-2016:2809, https://access.redhat.com/security/cve/CVE-2016-8638, https://bugzilla.redhat.com/show_bug.cgi?id=1392829, https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638, https://github.com/ipsilon-project/ipsilon, https://ipsilon-project.org/advisory/CVE-2016-8638.txt, https://ipsilon-project.org/release/2.1.0.html, https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c, http://rhn.redhat.com/errata/RHSA-2016-2809.html, http://www.securityfocus.com/bid/94439, https://pypi.org/project/ipsilon, https://github.com/advisories/GHSA-376m-3rm2-9jm6