Semaphore UI through 2.19.12 exempts GET and HEAD requests from project resource permission checks in GetMustCanMiddleware. Attackers with guest or task_runner roles can read all project environments including plaintext secrets, credentials, and passwords via GET requests to the environment endpoint.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91994.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.19.12"
},
{
"fixed": "2.19.12"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}