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CVE-2026-55487

pnpm is a package manager. Prior to 10.34.2 and 11.5.3, the generic peer-suffix normalizer also stripped parenthesized text from git, URL, tarball, file, and other opaque locators. Approval for one source string could therefore authorize a different attacker-controlled source whose locator normalized to the same value. This vulnerability is fixed in 10.34.2 and 11.5.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bee8f9d3042b8a72814950913e10dd998341eaa9a583e52f8ad5f4d8667c5d54
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-829","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"pnpm","vendor":"pnpm","versions":[{"status":"affected","version":"< 10.34.2"},{"status":"affected","version":">= 11.0.0, < 11.5.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-829","description":"CWE-829: Inclusion of Functionality from Untrusted Control Sphere","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/pnpm/pnpm/security/advisories/GHSA-5wx6-mg75-v57r","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-5wx6-mg75-v57r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/pnpm/pnpm/security/advisories/GHSA-5wx6-mg75-v57r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa5edbc5a38f062615ff0966d15d637923e587f94fcb5e6ecb9a43073382ec2f · sha256:65af0ba5e473caf6… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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