CVE-2026-29199

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "phpBB", "vendor": "phpBB", "versions": [{"lessThanOrEqual": "3.3.15", "status": "affected", "version": "3.0.0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*", "matchCriteriaId": "A6D3A01D-45B6-40BF-9579-7DF628679846", "versionEndExcluding": "3.3.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "phpBB before 3.3.16 is vulnerable to Host Header Injection that can lead to password rest link poisoning. When force_server_vars is disabled, the servers hostname may be extracted from the HTTP Host header which is used to generate the password reset link URL. An attacker who can manipulate the Host header (e.g. through misconfigured host setup or missing header validation by the webserver) can cause password reset emails to contain a link pointing to an attacker-controlled domain, potentially leading to account takeover."}, {"lang": "es", "value": "phpBB anterior a 3.3.16 es vulnerable a la Inyecci\u00f3n de Encabezado Host que puede llevar al envenenamiento de enlaces de restablecimiento de contrase\u00f1a. Cuando force_server_vars est\u00e1 deshabilitado, el nombre de host del servidor puede ser extra\u00eddo del encabezado HTTP Host, el cual se utiliza para generar la URL del enlace de restablecimiento de contrase\u00f1a. Un atacante que puede manipular el encabezado Host (por ejemplo, a trav\u00e9s de una configuraci\u00f3n de host mal configurada o una validaci\u00f3n de encabezado faltante por parte del servidor web) puede hacer que los correos electr\u00f3nicos de restablecimiento de contrase\u00f1a contengan un enlace que apunte a un dominio controlado por el atacante, lo que podr\u00eda llevar a la toma de control de la cuenta."}], "id": "CVE-2026-29199", "lastModified": "2026-11-11T23:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-29199", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-04T19:42:51.610948Z", "version": "2.0.3"}}]}, "published": "2026-05-04T07:15:59.960", "references": [{"source": "support@hackerone.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/3543246"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-640"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.3.15]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "phpBB", "source": "cna", "vendor": "phpBB"}, "product": "phpbb", "vendor": "phpbb"}], "created": "2026-05-04T07:30:39.660601+00:00", "updated": "2026-05-04T22:00:11.476486+00:00", "vendors": ["phpbb", "phpbb$PRODUCT$phpbb"]}