CVE Explorer
CVE-2026-9507
A session fixation vulnerability has been identified in osTicket v1.18.2. This security flaw allows an attacker to hijack a victim’s account by keeping the initial session identifier (OSTSESSID) active after a successful login.
The issue lies in the fact that the application does not invalidate the pre-authentication cookie or generate a new identifier for the authenticated context. As a result, if an attacker manages to set a known session identifier in the victim’s browser, they will be abl
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"osTicket","vendor":"Enhancesoft","versions":[{"status":"affected","version":"1.18.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:00519f61ceaf5f7c060e2dc8faec3cfe7ef3c0d53f9117ac947389f061c34ab2 · sha256:ef840fd65a21368e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpac…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:00519f61ceaf5f7c060e2dc8faec3cfe7ef3c0d53f9117ac947389f061c34ab2 · sha256:ef840fd65a21368e… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-38","description":"CWE-38 Path traversal: '\\absolute\\pathname\\here'","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:00519f61ceaf5f7c060e2dc8faec3cfe7ef3c0d53f9117ac947389f061c34ab2 · sha256:ef840fd65a21368e… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["patch"],"url":"https://www.incibe.es/en/incibe-cert/notices/aviso/session-fixation-vulnerability-enhancesofts-osticket"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:00519f61ceaf5f7c060e2dc8faec3cfe7ef3c0d53f9117ac947389f061c34ab2 · sha256:ef840fd65a21368e… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.