{"id":"CVE-2026-118986","aliases":[],"cve":{"records":[{"id":"CVE-2026-118986","source":"CPANSec","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-29T10:48:23.002Z","published":"2026-10-30T13:13:32.845Z","modified":"2026-11-06T16:46:47.131Z"}],"publishers":[{"name":"CPANSec","role":"CNA","organizationId":"9b29abf9-4ab0-4765-b253-1875cd9b441e","modified":"2026-10-30T13:13:32.845Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-06T16:46:47.131Z"}],"references":[{"url":"https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes","tags":["release-notes"],"source":"CPANSec"}],"weaknesses":[{"id":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","source":"CPANSec"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-06T16:46:13.642574Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"partial"}]}]},"title":"CallBackery versions before 0.62.0 for Perl allow session cookie forgery via a signing secret generated with rand()","titleSource":"CPANSec","descriptionSource":"CPANSec","description":"CallBackery versions before 0.62.0 for Perl allow session cookie forgery via a signing secret generated with rand().\n\nThe secret that signs session cookies is built from two calls to the built-in rand(), which is seeded with 32 bits. The secret therefore has at most 2**32 possible values, and one signed cookie is enough to test each candidate offline.\n\nAn attacker who obtains a single session cookie can recover the secret and sign cookies for any user, including an administrator.","score":7.5,"severity":"high","published":"2026-10-30T13:13:32.845Z","modified":"2026-11-06T16:46:47.131Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"","name":"CallBackery","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"0.62.0","versionType":"custom"}],"defaultStatus":"unaffected","packageURL":"pkg:cpan/CallBackery","cpes":[],"source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-118986"}],"remediation":[{"text":"Upgrade to CallBackery 0.62.0 or later.","source":"CPANSec","url":"https://www.cve.org/CVERecord?id=CVE-2026-118986"}],"references":["https://metacpan.org/release/OETIKER/CallBackery-0.62.0/changes"],"sources":[{"name":"CVE","id":"CVE-2026-118986","modified":"2026-11-06T16:46:47.131Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-118986"}],"assessments":[{"source":"CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5}],"sourceAffected":[],"observedAt":"2026-11-06T18:40:42.600Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T02:25:31.038Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T15:50:41.991Z","attemptedAt":"2026-10-30T15:50:41.991Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T15:50:45.624Z","attemptedAt":"2026-10-30T15:50:45.624Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T15:50:45.970Z","attemptedAt":"2026-10-30T15:50:45.970Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-30T15:50:43.120Z","attemptedAt":"2026-10-30T15:50:43.120Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-118986","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118986","modified":"2026-10-30T14:16:41.543","checkedAt":"2026-10-30T15:50:41.991Z"},{"source":"GitHub Advisory Database","id":"GHSA-fr5m-676f-94fg","url":"https://github.com/advisories/GHSA-fr5m-676f-94fg","modified":"2026-10-30T15:34:40Z","checkedAt":"2026-10-30T15:50:45.624Z"},{"source":"ENISA EUVD","id":"EUVD-2026-113922","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-113922","modified":"Oct 30, 2026, 1:13:32 PM","checkedAt":"2026-10-30T15:50:45.970Z"}],"aiSummary":{"text":"CallBackery for Perl, versions before 0.62.0, has a weakness where an attacker with access to a session cookie can forge session cookies due to a signing secret generated with a cryptographically weak pseudo-random number generator. The attacker can recover the secret and sign cookies for any user. An attacker needs to obtain a single session cookie to exploit this vulnerability.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T15:11:03.986Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-118986"}]}}