CVE-2023-6709
Improper Neutralization of Special Elements Used in a Template Engine in mlflow/mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper Neutralization of Special Elements Used in a Template Engine in mlflow/mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
CVE-2023-6709- CVSS 3.0
- 10.0 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
EUVDEUVD-2023-0162
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
EUVD-2023-0162- CVSS 3.0
- 10.0 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cxfr-5q3r-2rc2
Jinja2 template injection in mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
GHSA-cxfr-5q3r-2rc2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
NVD
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
CVE-2023-6709- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 10.0 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
OSV
Improper Neutralization of Special Elements Used in a Template Engine in mlflow/mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
CVE-2023-6709- CVSS 3.0
- 10.0 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
OSVGHSA-cxfr-5q3r-2rc2
Jinja2 template injection in mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
GHSA-cxfr-5q3r-2rc2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-1336
- Updated
- 2026-11-02
OSVPYSEC-2023-281
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
PYSEC-2023-281- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-mlflow-2023-6709 No score
Improper Neutralization of Special Elements Used in a Template Engine in mlflow/mlflow
Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository mlflow/mlflow prior to 2.9.2.
- Record
BIT-mlflow-2023-6709- Updated
- 2026-11-02
OSVCLSA-2026-1775781174 No score
TuxCare security update for mlflow (14 CVEs)
TuxCare rebuilt mlflow to address 14 CVEs. Fixed in 2.9.1.post2+tuxcare.
- Record
CLSA-2026-1775781174- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mlflowPyPI |
before 2.9.2 | 2.9.2 |
mlflowBitnami |
before 2.9.2 | 2.9.2 |
mlflowTuxCare:PyPI From an advisory covering 14 CVEs |
2.9.1 up to 2.9.1.post2+tuxcare, plus listed versions 2.9.1.post1+tuxcare |
2.9.1.post2+tuxcare |
mlflowPyPI |
before 2.9.2, plus listed versions 0.0.10.1.00.2.00.2.10.3.0 Show 45 moreShow less0.4.00.4.10.4.20.5.00.5.10.5.20.6.00.7.00.8.00.8.10.8.20.9.00.9.0.10.9.11.0.01.1.01.1.1.dev01.10.01.11.01.12.01.12.11.131.13.11.14.01.14.11.15.01.16.01.17.01.18.01.19.01.2.01.20.01.20.11.20.21.21.01.22.01.23.01.23.11.24.01.25.01.25.11.26.01.26.11.27.01.28.0 |
2.9.2 |
mlflowPyPI |
before 2.9.2, plus listed versions 0.0.10.1.00.2.00.2.10.3.0 Show 45 moreShow less0.4.00.4.10.4.20.5.00.5.10.5.20.6.00.7.00.8.00.8.10.8.20.9.00.9.0.10.9.11.0.01.1.01.1.1.dev01.10.01.11.01.12.01.12.11.131.13.11.14.01.14.11.15.01.16.01.17.01.18.01.19.01.2.01.20.01.20.11.20.21.21.01.22.01.23.01.23.11.24.01.25.01.25.11.26.01.26.11.27.01.28.0 |
2.9.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6709 is a critical vulnerability (CVSS 10.0) in Lfprojects Mlflow, published December 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.93%, the 60th percentile. Fixed in mlflow 2.9.2.
References
huntr.com/bounties/9e4cc07b-6fff-421b-89bd-9445ef61d34d
github.com/mlflow/mlflow/commit/432b8ccf27fd3a76df4ba79bb1bec62118a85625
nvd.nist.gov/vuln/detail/CVE-2023-6709
Left out here: 83 versions. The JSON record has them.