Vulnerability-Lookup

CVE-2026-77883 (GCVE-0-2026-77883)

Vulnerability from cvelistv5 – Published: 2026-09-14 12:30 – Updated: 2026-09-14 12:30

Title

Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBuilder name denylist

Summary

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.

Severity

No CVSS data available.

CWE

CWE-202 - Exposure of sensitive information through data queries

Assigner

apache mitre root

References

1 reference

URL	Tags
https://lists.apache.org/thread/oshwdz2k4cl3042y3…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Syncope	Affected: 3.0.0-M0 , ≤ 3.0.16 (semver) Affected: 4.0.0-M0 , ≤ 4.0.7 (semver) Affected: 4.1.0-M0 , ≤ 4.1.2 (semver)	guessed

Credits

n0mi1k

Show details on NVD website

JSON

To clipboard

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          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.syncope.core:syncope-core-provisioning-api",
          "packageURL": "pkg:maven/org.apache.syncope.core/syncope-core-provisioning-api",
          "product": "Apache Syncope",
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              "version": "4.0.0-M0",
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      ],
      "source": {
        "discovery": "UNKNOWN"
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      "title": "Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBuilder name denylist",
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    "dateReserved": "2026-08-21T16:15:31.747Z",
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}

FKIE_CVE-2026-77883

Vulnerability from fkie_nvd - Published: 2026-09-14 13:18 - Updated: 2026-09-14 13:18

Severity

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/oshwdz2k4cl3042y39zq0yl4qkxbd83p

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.syncope.core:syncope-core-provisioning-api",
          "packageURL": "pkg:maven/org.apache.syncope.core/syncope-core-provisioning-api",
          "product": "Apache Syncope",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "3.0.16",
              "status": "affected",
              "version": "3.0.0-M0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.0.7",
              "status": "affected",
              "version": "4.0.0-M0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.1.2",
              "status": "affected",
              "version": "4.1.0-M0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
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      "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\u0027s (if present) or Manager\u0027s (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."
    }
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  "id": "CVE-2026-77883",
  "lastModified": "2026-09-14T13:18:46.740",
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}

GHSA-PJHV-6XM9-9CXW

Vulnerability from github – Published: 2026-09-14 15:32 – Updated: 2026-09-14 15:32

Details

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.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-77883"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-202"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-14T13:18:46Z",
    "severity": null
  },
  "details": "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\u0027s (if present) or Manager\u0027s (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.",
  "id": "GHSA-pjhv-6xm9-9cxw",
  "modified": "2026-09-14T15:32:43Z",
  "published": "2026-09-14T15:32:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77883"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/oshwdz2k4cl3042y39zq0yl4qkxbd83p"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-77883 (GCVE-0-2026-77883)

FKIE_CVE-2026-77883

GHSA-PJHV-6XM9-9CXW

Tags

Sightings

Nomenclature