{"id":"PYSEC-2026-738","summary":"open redirect in pollbot","details":"(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)\n\nSummary:\nThere was an open redirection vulnerability in the path of:\n\nhttps://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/\n\nDescription:\nAn attacker can redirect anyone to malicious sites.\n\nSteps To Reproduce:\nType in this URL:\n\nhttps://pollbot.services.mozilla.com/%0a/evil.com/\n\nIt redirects to that website\n\nevil.com\n\nevil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.\n\nSupporting Material/References:\nhttps://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html\n\nImpact\n\nAttackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.","aliases":["CVE-2022-0637","GHSA-vg27-hr3v-3cqv"],"modified":"2026-07-06T08:00:50.600875365Z","published":"2026-07-02T14:13:15.349245Z","references":[{"type":"WEB","url":"https://github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0637"},{"type":"WEB","url":"https://github.com/mozilla/PollBot/pull/360"},{"type":"WEB","url":"https://github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1753838"},{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637"},{"type":"PACKAGE","url":"https://github.com/mozilla/PollBot"},{"type":"PACKAGE","url":"https://pypi.org/project/pollbot"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-vg27-hr3v-3cqv"}],"affected":[{"package":{"name":"pollbot","ecosystem":"PyPI","purl":"pkg:pypi/pollbot"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.6"}]}],"versions":["0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.5.0","0.6.0","0.6.1","1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/pollbot/PYSEC-2026-738.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}