{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25101", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-01-29T12:40:23.880Z", "datePublished": "2026-03-27T11:55:08.924Z", "dateUpdated": "2026-03-27T12:44:09.658Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://github.com", "defaultStatus": "unaffected", "packageName": "bludit", "product": "Bludit", "repo": "https://github.com/bludit/bludit", "vendor": "Bludit", "versions": [{"lessThan": "3.17.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Arkadiusz Marta"}], "datePublic": "2026-03-26T10:55:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.</span><br><br>This issue was fixed in version 3.17.2.<br><br>"}], "value": "Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2."}], "impacts": [{"capecId": "CAPEC-61", "descriptions": [{"lang": "en", "value": "CAPEC-61 Session Fixation"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 4.8, "baseSeverity": "MEDIUM", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-384", "description": "CWE-384 Session Fixation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-03-27T11:55:08.924Z"}, "references": [{"tags": ["third-party-advisory"], "url": "https://cert.pl/posts/2026/03/CVE-2026-25099"}, {"tags": ["release-notes"], "url": "https://github.com/bludit/bludit/releases/tag/3.17.2"}], "source": {"discovery": "EXTERNAL"}, "tags": ["x_open-source"], "title": "Session Fixation in Bludit", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-27T12:43:52.853287Z", "id": "CVE-2026-25101", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-27T12:44:09.658Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-25101", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-27T12:43:52.853287Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-27T12:44:03.276Z"}}], "cna": {"tags": ["x_open-source"], "title": "Session Fixation in Bludit", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Arkadiusz Marta"}], "impacts": [{"capecId": "CAPEC-61", "descriptions": [{"lang": "en", "value": "CAPEC-61 Session Fixation"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 4.8, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/bludit/bludit", "vendor": "Bludit", "product": "Bludit", "versions": [{"status": "affected", "version": "0", "lessThan": "3.17.2", "versionType": "semver"}], "packageName": "bludit", "collectionURL": "https://github.com", "defaultStatus": "unaffected"}], "datePublic": "2026-03-26T10:55:00.000Z", "references": [{"url": "https://cert.pl/posts/2026/03/CVE-2026-25099", "tags": ["third-party-advisory"]}, {"url": "https://github.com/bludit/bludit/releases/tag/3.17.2", "tags": ["release-notes"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.", "supportingMedia": [{"type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.</span><br><br>This issue was fixed in version 3.17.2.<br><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-384", "description": "CWE-384 Session Fixation"}]}], "providerMetadata": {"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "shortName": "CERT-PL", "dateUpdated": "2026-03-27T11:55:08.924Z"}}}, "cveMetadata": {"cveId": "CVE-2026-25101", "state": "PUBLISHED", "dateUpdated": "2026-03-27T12:44:09.658Z", "dateReserved": "2026-01-29T12:40:23.880Z", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "datePublished": "2026-03-27T11:55:08.924Z", "assignerShortName": "CERT-PL"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2."}], "id": "CVE-2026-25101", "lastModified": "2026-03-30T13:26:29.793", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cvd@cert.pl", "type": "Secondary"}]}, "published": "2026-03-27T12:16:20.203", "references": [{"source": "cvd@cert.pl", "url": "https://cert.pl/posts/2026/03/CVE-2026-25099"}, {"source": "cvd@cert.pl", "url": "https://github.com/bludit/bludit/releases/tag/3.17.2"}], "sourceIdentifier": "cvd@cert.pl", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "cvd@cert.pl", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.17.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Bludit", "source": "cna", "vendor": "Bludit"}, "product": "bludit", "vendor": "bludit"}], "analysis": {"en": {"generated_at": "2026-03-27T13:50:39.818135+00:00", "value": {"mitigation_remediation": ["Update Bludit to version 3.17.2 or newer", "Verify that session identifiers are generated only after authentication"], "summary": {"action": "Patch", "impact": "Session hijacking via fixed session ID"}, "threat_synthesis": {"affected_systems": "Bludit content management system, all releases earlier than version 3.17.2 are affected. Versions 3.17.2 and later contain the security fix.", "description_and_impact": "Bludit permits an attacker to set a session identifier before a user authenticates, and the same identifier continues in effect after login. This flaw allows the attacker to pre\u2011select a session ID for a victim and later reuse that ID to hijack the authenticated session, resulting in unauthorized access to the victim\u2019s account. The weakness corresponds to the session fixation issue described by CWE\u2011384.", "risk_and_exploitability": "The vulnerability carries moderate severity. There is no report of public exploitation or inclusion in the CISA KEV catalog, and likelihood of exploitation remains uncertain. Attackers would need to craft an HTTP request to the Bludit site to set the session cookie before a user logs in; once logged in, the same cookie can be reused to capture the session."}}}}, "created": "2026-03-27T15:47:00.948791+00:00", "updated": "2026-03-30T07:02:07.807320+00:00", "vendors": ["bludit", "bludit$PRODUCT$bludit"]}