{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8878", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-05-18T20:27:44.651Z", "datePublished": "2026-06-03T18:09:04.115Z", "dateUpdated": "2026-06-04T14:18:55.977Z"}, "containers": {"cna": {"title": "CVE-2026-8878", "descriptions": [{"lang": "en", "value": "Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Securly", "product": "Securly Chrome Extension", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "3.0.7", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-922 Insecure Storage of Sensitive Information"}]}], "references": [{"url": "https://kb.cert.org/vuls/id/595768"}], "x_generator": {"engine": "VINCE 3.0.42", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-8878"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-06-03T18:09:04.115Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-06-04T14:18:41.000614Z", "id": "CVE-2026-8878", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-06-04T14:18:55.977Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-8878", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-04T14:18:41.000614Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-04T14:18:52.823Z"}}], "cna": {"title": "CVE-2026-8878", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Securly", "product": "Securly Chrome Extension", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "3.0.7"}]}], "references": [{"url": "https://kb.cert.org/vuls/id/595768"}], "x_generator": {"env": "prod", "engine": "VINCE 3.0.42", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-8878"}, "descriptions": [{"lang": "en", "value": "Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-922 Insecure Storage of Sensitive Information"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-06-03T18:09:04.115Z"}}}, "cveMetadata": {"cveId": "CVE-2026-8878", "state": "PUBLISHED", "dateUpdated": "2026-06-04T14:18:55.977Z", "dateReserved": "2026-05-18T20:27:44.651Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2026-06-03T18:09:04.115Z", "assignerShortName": "certcc"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:securly:securly:3.0.7:*:*:*:*:chrome:*:*", "matchCriteriaId": "CF6B029B-B152-4A34-AC5B-A417EB476C87", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data."}], "id": "CVE-2026-8878", "lastModified": "2026-06-04T18:42:06.257", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-06-03T19:16:39.387", "references": [{"source": "cret@cert.org", "tags": ["Third Party Advisory"], "url": "https://kb.cert.org/vuls/id/595768"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-326"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.0.7]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Securly Chrome Extension", "source": "cna", "vendor": "Securly"}, "product": "securly_chrome_extension", "vendor": "securly"}], "created": "2026-06-03T20:30:36.508914+00:00", "title": "Unauthenticated Access to Sensitive SHA-1 Hashes via Public Endpoints in Securly Chrome Extension", "updated": "2026-06-05T10:11:26.429964+00:00", "vendors": ["securly", "securly$PRODUCT$securly_chrome_extension"]}