CVE-2026-77883

Exposure of sensitive information through data queries vulnerability in Apache Syncope. An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

CVSS v3 4.9 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/oshwdz2k4cl3042y39zq0yl4qkxbd83p
http://www.openwall.com/lists/oss-security/2026/09/14/17

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-14 13:18

Updated : 2026-09-14 20:58

NVD link : CVE-2026-77883

Mitre link : CVE-2026-77883

CVE.ORG link : CVE-2026-77883

JSON object : View

Products Affected

No product.

CWE

CWE-202

Exposure of Sensitive Information Through Data Queries

{"id": "CVE-2026-77883", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77883", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T19:15:58.821229Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Syncope", "versions": [{"status": "affected", "version": "3.0.0-M0", "versionType": "semver", "lessThanOrEqual": "3.0.16"}, {"status": "affected", "version": "4.0.0-M0", "versionType": "semver", "lessThanOrEqual": "4.0.7"}, {"status": "affected", "version": "4.1.0-M0", "versionType": "semver", "lessThanOrEqual": "4.1.2"}], "packageURL": "pkg:maven/org.apache.syncope.core/syncope-core-provisioning-api", "packageName": "org.apache.syncope.core:syncope-core-provisioning-api", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}]}], "published": "2026-09-14T13:18:46.740", "references": [{"url": "https://lists.apache.org/thread/oshwdz2k4cl3042y39zq0yl4qkxbd83p", "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/09/14/17", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-202"}]}], "descriptions": [{"lang": "en", "value": "Exposure of sensitive information through data queries vulnerability in Apache Syncope.\n\nAn administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials.\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.\n\nUsers are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue."}], "lastModified": "2026-09-14T20:58:48.430", "sourceIdentifier": "security@apache.org"}