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Document legacy EPPlus4 security guidance - #23

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codex/epplus4-security-guidance
Oct 1, 2026
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jochenwezel merged 1 commit into
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codex/epplus4-security-guidance

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Affected projects

  • Repository README: distinguish upstream EPPlus 4 from CompuMaster.EPPlus4 in the engine support comparison and explain residual risk for untrusted XLSX files.
  • CompuMaster.Data.EpplusFreeFixCalcsEdition: document default load limits, the legacy-code risk boundary, and a C# example for larger trusted workbooks.

Dependency

This documentation describes the load-limit API in #22. Merge after #22 and update version wording if the requested 4.6 version line changes package naming.

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Unit Test Statistics (ubuntu-latest) CompuMaster.MsExcelComInteropTest.dll

2 tests   2 ✅  0s ⏱️
1 suites  0 💤
1 files    0 ❌

Results for commit 929347f.

♻️ This comment has been updated with latest results.

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github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (ubuntu-latest) CompuMaster.Excel.Test.dll

68 tests   68 ✅  1s ⏱️
 1 suites   0 💤
 1 files     0 ❌

Results for commit 929347f.

♻️ This comment has been updated with latest results.

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Unit Test Statistics (ubuntu-latest) CompuMaster.Excel.TestFreeSpireXls.dll

6 tests  ±0   6 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

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github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (macos-latest) CompuMaster.MsExcelComInteropTest.dll

2 tests  ±0   2 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@github-actions

github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (ubuntu-latest) CompuMaster.Excel.TestSpireXls.dll

6 tests  ±0   6 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@github-actions

github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (macos-latest) CompuMaster.Excel.Test.dll

68 tests  ±0   68 ✅ ±0   2s ⏱️ ±0s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@github-actions

github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (macos-latest) CompuMaster.Excel.TestFreeSpireXls.dll

6 tests  ±0   6 ✅ ±0   1s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@github-actions

github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (macos-latest) CompuMaster.Excel.TestSpireXls.dll

6 tests  ±0   6 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@github-actions

github-actions Bot commented Oct 1, 2026 •

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Unit Test Statistics (windows-latest) CompuMaster.MsExcelComInteropTest.dll

2 tests  ±0   2 ✅ ±0   0s ⏱️ ±0s
1 suites ±0   0 💤 ±0 
1 files   ±0   0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

♻️ This comment has been updated with latest results.

@jochenwezel
jochenwezel force-pushed the codex/epplus4-security-guidance branch from 56069cc to 511dcd1 Compare October 1, 2026 02:15
@jochenwezel
jochenwezel force-pushed the codex/epplus4-security-guidance branch from 511dcd1 to 929347f Compare October 1, 2026 02:16
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Unit Test Statistics (windows-latest) CompuMaster.Excel.Test.dll

279 tests  ±0   279 ✅ ±0   39s ⏱️ -1s
  1 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

@github-actions

github-actions Bot commented Oct 1, 2026

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Unit Test Statistics (windows-latest) CompuMaster.Excel.TestFreeSpireXls.dll

76 tests  ±0   76 ✅ ±0   18s ⏱️ -1s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

@github-actions

github-actions Bot commented Oct 1, 2026

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Unit Test Statistics (windows-latest) CompuMaster.Excel.TestSpireXls.dll

78 tests  ±0   78 ✅ ±0   18s ⏱️ -1s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 929347f. ± Comparison against base commit e242de9.

@jochenwezel
jochenwezel marked this pull request as ready for review October 1, 2026 02:21
@jochenwezel
jochenwezel merged commit ad6fbaf into main Oct 1, 2026
15 checks passed
@jochenwezel
jochenwezel deleted the codex/epplus4-security-guidance branch October 1, 2026 02:34
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