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CVE-2026-45539

Microsoft APM is an open-source, community-driven dependency manager for AI agents. From 0.5.4 to 0.12.4, two primitive integrators in apm-cli enumerate package files with bare Path.glob() / Path.rglob() calls and read each match with Path.read_text(), transparently following symbolic links. A symlink committed inside a remote APM dependency under .apm/prompts/<x>.prompt.md or .apm/agents/<x>.agent.md is preserved verbatim into apm_modules/ on clone and then dereferenced during integration, with
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e6324a4279d77cf2bb0ec91ce1e7d4fdbe4d89fe0be45a25c3ab03f7f7b3b49e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"apm","vendor":"microsoft","versions":[{"status":"affected","version":">= 0.5.4, < 0.13.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/microsoft/apm/security/advisories/GHSA-q5pp-gvjg-h7v4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/adp/0/references/0
{"name":"https://github.com/microsoft/apm/security/advisories/GHSA-q5pp-gvjg-h7v4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/microsoft/apm/security/advisories/GHSA-q5pp-gvjg-h7v4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:44d7c03af41f34516cec49db4920e8a6cac404714aa8e4af5f41945a170b94e5 · sha256:c9ab4a0bb10840a4… · /containers/cna/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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