CVE Explorer

CVE-2026-26282

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:780e7a63cf74d0644d38a103ad9edd142f4115ded5c7192d0361ec0616c52b9b

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"NanaZip","vendor":"M2Team","versions":[{"status":"affected","version":">= 5.0.1252.0, < 6.0.1630.0"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:34ab81d36530f32fdc8e681bb1808938489ed33255049887ecba320c77c1c3e6 · sha256:09f203858a9089ad… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.2,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:34ab81d36530f32fdc8e681bb1808938489ed33255049887ecba320c77c1c3e6 · sha256:09f203858a9089ad… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-126","description":"CWE-126: Buffer Over-read","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:34ab81d36530f32fdc8e681bb1808938489ed33255049887ecba320c77c1c3e6 · sha256:09f203858a9089ad… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:34ab81d36530f32fdc8e681bb1808938489ed33255049887ecba320c77c1c3e6 · sha256:09f203858a9089ad… · /containers/cna/references/0

{"name":"https://github.com/user-attachments/files/25274143/poc.exe.zip","tags":["x_refsource_MISC"],"url":"https://github.com/user-attachments/files/25274143/poc.exe.zip"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:34ab81d36530f32fdc8e681bb1808938489ed33255049887ecba320c77c1c3e6 · sha256:09f203858a9089ad… · /containers/cna/references/1

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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