Vulnerability-Lookup

CVE-2026-76055 (GCVE-0-2026-76055)

Vulnerability from cvelistv5 – Published: 2026-08-24 14:17 – Updated: 2026-08-24 14:59

Summary

Improper Neutralization of Special Elements used in an OS Command in the package manager component of Black Duck blackduck-c-cpp before 3.0.7 allows an actor able to create a file within the scanned build directory to execute operating system commands as the account running the scan. Filesystem paths encountered while traversing the scanned directory are interpolated into command strings that are executed through a shell without quoting or escaping, so shell metacharacters within those paths are interpreted rather than treated as literal text. No control over the build command or the tool's configuration is required.

Severity

7.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-24 14:59 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

BlackDuck mitre root

References

2 references

URL	Tags
https://community.blackduck.com/s/article/Black-D…	vendor-advisory
https://pypi.org/project/blackduck-c-cpp/	product

Impacted products

1 product

Vendor	Product	Version	CPE status
Black Duck	blackduck-c-cpp	Affected: 0 , < 3.0.7 (semver)	guessed

Show details on NVD website

JSON

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FKIE_CVE-2026-76055

Vulnerability from fkie_nvd - Published: 2026-08-24 15:16 - Updated: 2026-08-24 15:16

Severity

7.5 (High) - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	disclosure@synopsys.com	https://community.blackduck.com/s/article/Black-Duck-Product-Security-Advisory-CVE-2026-76054-CVE-2026-76055
	disclosure@synopsys.com	https://pypi.org/project/blackduck-c-cpp/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://pypi.org",
          "defaultStatus": "unaffected",
          "packageName": "blackduck-c-cpp",
          "product": "blackduck-c-cpp",
          "vendor": "Black Duck",
          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
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    }
  ],
  "id": "CVE-2026-76055",
  "lastModified": "2026-08-24T15:16:46.860",
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          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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GHSA-XGR7-5G33-WGPV

Vulnerability from github – Published: 2026-08-24 15:31 – Updated: 2026-08-24 15:31

Details

Filesystem paths encountered while traversing the scanned directory are interpolated into command strings that are executed through a shell without quoting or escaping, so shell metacharacters within those paths are interpreted rather than treated as literal text. No control over the build command or the tool's configuration is required.

Severity

7.5 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2026-76055"
  ],
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      "CWE-78"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-24T15:16:46Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-xgr7-5g33-wgpv",
  "modified": "2026-08-24T15:31:54Z",
  "published": "2026-08-24T15:31:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76055"
    },
    {
      "type": "WEB",
      "url": "https://community.blackduck.com/s/article/Black-Duck-Product-Security-Advisory-CVE-2026-76054-CVE-2026-76055"
    },
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      "type": "WEB",
      "url": "https://pypi.org/project/blackduck-c-cpp"
    }
  ],
  "schema_version": "1.4.0",
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      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
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}

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-2026-76055 (GCVE-0-2026-76055)

FKIE_CVE-2026-76055

GHSA-XGR7-5G33-WGPV

Tags

Sightings

Nomenclature