CVE-2026-40563
Apache Atlas: Script injection allows access to unintended data
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.1
Apache Atlas: Script injection allows access to unintended data
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
CVE-2026-40563- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-26979
8.1
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
EUVD-2026-26979- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-35xx-9xrg-gwhf
7.1
Apache Atlas has a Code Injection Vulnerability
Description:
Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas.
Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data.
Affected Version:
This issue affects Apache Atlas: from 0.8-incubating through 2.4.0.
For affected versions >= 2.0.0, the vulnerability is only exploitable when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation:
Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
GHSA-35xx-9xrg-gwhf- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
8.1
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
CVE-2026-40563- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-94
- Updated
- 2026-11-02
OSV
8.1
Apache Atlas: Script injection allows access to unintended data
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
CVE-2026-40563- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-35xx-9xrg-gwhf
7.1
Apache Atlas has a Code Injection Vulnerability
Description:
Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas.
Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data.
Affected Version:
This issue affects Apache Atlas: from 0.8-incubating through 2.4.0.
For affected versions >= 2.0.0, the vulnerability is only exploitable when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation:
Users are recommended to upgrade to version 2.5.0, which fixes the issue.
- Record
GHSA-35xx-9xrg-gwhf- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.atlas:apache-atlasMaven |
0.8 up to 2.5.0 | 2.5.0 |
org.apache.atlas:apache-atlasMaven |
0.8 up to 2.5.0, plus listed versions 0.8-incubating0.8.10.8.20.8.30.8.4 Show 9 moreShow less1.0.01.0.0-alpha1.1.01.2.02.0.02.1.02.2.02.3.02.4.0 |
2.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-40563 is a high vulnerability (CVSS 8.1) in Apache Atlas, published May 4, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in org.apache.atlas:apache-atlas 2.5.0.
References
lists.apache.org/thread/vd0oggmqxl2k1skm0z2f9p0plx7jhmfl
openwall.com/lists/oss-security/2026/05/03/9
nvd.nist.gov/vuln/detail/CVE-2026-40563
github.com/advisories/GHSA-35xx-9xrg-gwhf
repo.maven.apache.org/maven2
github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40563.json
github.com/apache/atlas