{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-27T06:17:57.588","vulnerabilities":[{"cve":{"id":"CVE-2026-3255","sourceIdentifier":"9b29abf9-4ab0-4765-b253-1875cd9b441e","published":"2026-02-27T20:21:41.180","lastModified":"2026-03-04T15:51:09.683","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"HTTP::Session2 versions before 1.12 for Perl for Perl may generate weak session ids using the rand() function.\n\nThe HTTP::Session2 session id generator returns a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand() function is unsuitable for cryptographic usage.\n\nHTTP::Session2 after version 1.02 will attempt to use the /dev/urandom device to generate a session id, but if the device is unavailable (for example, under Windows), then it will revert to the insecure method described above."},{"lang":"es","value":"Las versiones de HTTP::Session2 anteriores a la 1.12 para Perl pueden generar identificadores de sesión débiles utilizando la función rand().\n\nEl generador de identificadores de sesión de HTTP::Session2 devuelve un hash SHA-1 inicializado con la función rand incorporada, el tiempo de época y el PID. El PID provendrá de un pequeño conjunto de números, y el tiempo de época puede ser adivinado, si no se filtra del encabezado HTTP Date. La función rand() incorporada no es adecuada para uso criptográfico.\n\nHTTP::Session2 después de la versión 1.02 intentará usar el dispositivo /dev/urandom para generar un identificador de sesión, pero si el dispositivo no está disponible (por ejemplo, bajo Windows), entonces revertirá al método inseguro descrito anteriormente."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":2.5},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":2.5}]},"weaknesses":[{"source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","type":"Secondary","description":[{"lang":"en","value":"CWE-338"},{"lang":"en","value":"CWE-340"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:tokuhirom:http\\:\\:session2:*:*:*:*:*:perl:*:*","versionEndExcluding":"1.12","matchCriteriaId":"D09565CB-6117-4D7D-BDFB-60715A2A058E"}]}]}],"references":[{"url":"https://github.com/tokuhirom/HTTP-Session2/commit/9cfde4d7e0965172aef5dcfa3b03bb48df93e636.patch","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":["Patch"]},{"url":"https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.01/source/lib/HTTP/Session2/ServerStore.pm#L68","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":["Issue Tracking"]},{"url":"https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.11/source/lib/HTTP/Session2/Random.pm#L35","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":["Issue Tracking"]},{"url":"https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.12/changes","source":"9b29abf9-4ab0-4765-b253-1875cd9b441e","tags":["Release Notes"]},{"url":"http://www.openwall.com/lists/oss-security/2026/02/27/12","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]}]}}]}