{"id":"CVE-2026-116072","aliases":["EUVD-2026-109386","GHSA-cm7p-vqx2-9527"],"status":"published","title":"Infinity for Reddit through 8.3.4 OAuth Login CSRF via LoginChromeCustomTabActivity","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00122,"percentile":0.01989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2026-10-25T11:50:59Z","modified":"2026-10-28T02:30:49Z","products":[{"vendor":"docile-alligator","product":"infinity for reddit"}],"references":[{"url":"https://github.com/Docile-Alligator/Infinity-For-Reddit/issues/1975","tags":["issue-tracking","report"]},{"url":"https://github.com/Docile-Alligator/Infinity-For-Reddit","tags":["product","package"]},{"url":"https://github.com/Docile-Alligator/Infinity-For-Reddit/blob/v8.3.4/app/src/main/java/ml/docilealligator/infinityforreddit/activities/LoginChromeCustomTabActivity.java#L194-L205","tags":["technical-description","article"]},{"url":"https://github.com/Docile-Alligator/Infinity-For-Reddit/blob/v8.3.4/app/src/main/java/ml/docilealligator/infinityforreddit/utils/APIUtils.java#L43","tags":["technical-description","article"]},{"url":"https://github.com/Docile-Alligator/Infinity-For-Reddit/blob/v8.3.4/app/src/main/AndroidManifest.xml#L75-L92","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/infinity-for-reddit-through-8.3.4-oauth-login-csrf-via-loginchromecustomtabactivity","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116072","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cm7p-vqx2-9527"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/116xxx/CVE-2026-116072.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-116072","title":"Infinity for Reddit through 8.3.4 OAuth Login CSRF via LoginChromeCustomTabActivity","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","status":"published","published":"2026-10-25T11:50:59.942Z","modified":"2026-10-26T16:53:14.77Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:20:03.827373Z"}],"euvd":[{"id":"EUVD-2026-109386","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","status":"published","published":"2026-10-25T11:50:59Z","modified":"2026-10-26T16:53:14Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:28.784227Z"}],"ghsa":[{"id":"GHSA-cm7p-vqx2-9527","title":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that...","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","status":"published","published":"2026-10-25T12:30:25Z","modified":"2026-10-25T12:30:32Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:14:22.728467Z"}],"nvd":[{"id":"CVE-2026-116072","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","status":"published","published":"2026-10-25T12:16:29.763Z","modified":"2026-10-26T18:39:42.503Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:13:03.126833Z"}],"osv":[{"id":"CVE-2026-116072","title":"Infinity for Reddit through 8.3.4 OAuth Login CSRF via LoginChromeCustomTabActivity","description":"Infinity for Reddit through 8.3.4 contains a login cross-site request forgery vulnerability that allows attackers to log victims into an attacker-controlled account because the exported LoginChromeCustomTabActivity redirect handler checks a hardcoded OAuth state value. Attackers can authorize the app's client ID with their own Reddit account, then deliver an infinity://localhost redirect containing their code and the constant state, causing the victim's posts, messages, and browsing to occur on the attacker's account.","status":"published","published":"2026-10-25T11:50:59.942Z","modified":"2026-10-28T02:30:49.514127872Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:44:56.675758Z"}]}}