High severity8.1NVD Advisory· Published Mar 26, 2019· Updated Jun 17, 2026
CVE-2019-3878
CVE-2019-3878
Description
A vulnerability was found in mod_auth_mellon before v0.14.2. If Apache is configured as a reverse proxy and mod_auth_mellon is configured to only let through authenticated users (with the require valid-user directive), adding special HTTP headers that are normally used to start the special SAML ECP (non-browser based) can be used to bypass authentication.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<0.14.2+ 1 more
- (no CPE)range: <0.14.2
- (no CPE)range: before v0.14.2
Patches
Vulnerability mechanics
References
9- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/Uninett/mod_auth_mellon/pull/196nvdExploitPatchThird Party Advisory
- access.redhat.com/errata/RHSA-2019:0746nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2019:0766nvdThird Party Advisory
- usn.ubuntu.com/3924-1/nvdThird Party Advisory
- access.redhat.com/errata/RHBA-2019:0959nvd
- access.redhat.com/errata/RHSA-2019:0985nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/nvd
News mentions
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