CVE-2023-26735
Withdrawn Advisory: Access control issues in blackbox_exporter
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
- Record
CVE-2023-26735- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
- Record
CVE-2023-26735- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2023-1245
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
- Record
EUVD-2023-1245- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-939c-3g97-vpvv
Withdrawn Advisory: Access control issues in blackbox_exporter
Withdrawn Advisory
This advisory has been withdrawn because it was determined to be a configuration issue rather than a vulnerability. This link is maintained to preserve external references. For more information, see the conversation here.
Original Advisory
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources.
- Record
GHSA-939c-3g97-vpvv- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
- Record
CVE-2023-26735- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-26735
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources. NOTE: this is disputed by third parties because authentication can be configured.
- Record
DEBIAN-CVE-2023-26735- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-939c-3g97-vpvv
Withdrawn Advisory: Access control issues in blackbox_exporter
Withdrawn Advisory
This advisory has been withdrawn because it was determined to be a configuration issue rather than a vulnerability. This link is maintained to preserve external references. For more information, see the conversation here.
Original Advisory
blackbox_exporter v0.23.0 was discovered to contain an access control issue in its probe interface. This vulnerability allows attackers to detect intranet ports and services, as well as download resources.
- Record
GHSA-939c-3g97-vpvv- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
prometheus-blackbox-exporterDebian:12 |
All versions, plus listed versions 0.23.0-40.24.0-10.24.0-20.24.0-30.25.0-1 Show 5 moreShow less0.25.0-20.26.0-10.26.0-20.28.0-10.28.0-2 |
None known |
prometheus-blackbox-exporterDebian:13 |
All versions, plus listed versions 0.26.0-10.26.0-20.28.0-10.28.0-2 |
None known |
prometheus-blackbox-exporterDebian:14 |
All versions, plus listed versions 0.26.0-10.26.0-20.28.0-10.28.0-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-26735 is a high vulnerability (CVSS 7.5) in Prometheus Blackbox Exporter, published April 25, 2023. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.89%, the 59th percentile.