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CVE-2026-34527

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, SbieIniServer::HashPassword converts a SHA-1 digest to hexadecimal incorrectly. The high nibble of each byte is shifted right by 8 instead of 4, which always produces zero for an 8-bit value. As a result, the stored EditPassword hash only preserves the low nibble of each digest byte, reducing the effective entropy from 160 bits to 80 bits. This is layered on top of an unsalted SHA-1 sch
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3998ead7329f2c1a4a1f6d3a76b308a0d53798fd2d7fcf0403bbb1157a0fa1a5
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"Sandboxie","vendor":"sandboxie-plus","versions":[{"status":"affected","version":"< 1.17.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f4110b096ef306da4559fa6a62d69a05c126fdb91299e0f063971e07a39a6b37 · sha256:73c98a9c6f7e0215… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":2,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4110b096ef306da4559fa6a62d69a05c126fdb91299e0f063971e07a39a6b37 · sha256:73c98a9c6f7e0215… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-328","description":"CWE-328: Use of Weak Hash","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f4110b096ef306da4559fa6a62d69a05c126fdb91299e0f063971e07a39a6b37 · sha256:73c98a9c6f7e0215… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-w37h-qm9p-h4x2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4110b096ef306da4559fa6a62d69a05c126fdb91299e0f063971e07a39a6b37 · sha256:73c98a9c6f7e0215… · /containers/adp/0/references/0
{"name":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-w37h-qm9p-h4x2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-w37h-qm9p-h4x2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4110b096ef306da4559fa6a62d69a05c126fdb91299e0f063971e07a39a6b37 · sha256:73c98a9c6f7e0215… · /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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