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4 vulnerabilities by pandora-analysis
CVE-2026-74767 (GCVE-0-2026-74767)
Vulnerability from nvd – Published: 2026-08-15 21:56 – Updated: 2026-08-15 21:56
VLAI
EPSS
VEX
Title
Unbounded DAA Decompression in Pandora Allows Denial of Service via Decompression Bomb
Summary
Pandora contains a denial-of-service vulnerability in its handling of DAA (Direct Access Archive) files. When extracting the internal ISO image from a DAA archive, compressed chunks were decompressed using zlib.decompress() without enforcing a limit on the resulting uncompressed data.
An attacker able to submit a crafted DAA file containing highly compressed data could cause Pandora to decompress a relatively small input into a very large amount of data in memory. Because the decompressed chunks are accumulated to construct the internal ISO image, this could result in excessive memory consumption and potentially CPU exhaustion, causing the extraction worker to become unresponsive, terminate, or affect the availability of the Pandora service.
The patch introduces bounded decompression using decompressobj().decompress() with max_extracted_filesize, verifies the cumulative size of decompressed chunks, and raises a dedicated ZipBomb exception when the configured limit is exceeded. Pandora then aborts extraction and reports the file as too large.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pandora-analysis/pandora/commi… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pandora-analysis | pandora |
Affected:
0 , ≤ 1.12.5
(semver)
|
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CVE-2026-74764 (GCVE-0-2026-74764)
Vulnerability from nvd – Published: 2026-08-15 21:39 – Updated: 2026-08-15 21:39
VLAI
EPSS
VEX
Title
Path Traversal in TAR Archive Extraction Allows Arbitrary File Write in Pandora
Summary
Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a submitted TAR archive, the extractor passed archive member names directly to Python's tarfile.TarFile.extract() without applying an extraction filter.
An attacker able to submit a specially crafted TAR archive containing malicious member paths, such as paths using ../ sequences or absolute paths, could cause extracted files to be written outside the intended extraction directory. This may allow the attacker to overwrite files accessible to the Pandora worker process and could potentially result in application compromise, arbitrary code execution, or denial of service depending on the files targeted and the privileges of the Pandora process.
The vulnerability is corrected by using Python's filter='data' extraction filter, which rejects or sanitizes dangerous TAR members, including paths that escape the destination directory and unsafe link targets.
The weakness corresponds to MITRE's general path traversal category, which includes archive extraction cases where attacker-controlled filenames cause files to be written outside the intended directory.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pandora-analysis/pandora/commi… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pandora-analysis | pandora |
Affected:
0 , ≤ 1.12.5
(semver)
|
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CVE-2026-74767 (GCVE-0-2026-74767)
Vulnerability from cvelistv5 – Published: 2026-08-15 21:56 – Updated: 2026-08-15 21:56
VLAI
EPSS
VEX
Title
Unbounded DAA Decompression in Pandora Allows Denial of Service via Decompression Bomb
Summary
Pandora contains a denial-of-service vulnerability in its handling of DAA (Direct Access Archive) files. When extracting the internal ISO image from a DAA archive, compressed chunks were decompressed using zlib.decompress() without enforcing a limit on the resulting uncompressed data.
An attacker able to submit a crafted DAA file containing highly compressed data could cause Pandora to decompress a relatively small input into a very large amount of data in memory. Because the decompressed chunks are accumulated to construct the internal ISO image, this could result in excessive memory consumption and potentially CPU exhaustion, causing the extraction worker to become unresponsive, terminate, or affect the availability of the Pandora service.
The patch introduces bounded decompression using decompressobj().decompress() with max_extracted_filesize, verifies the cumulative size of decompressed chunks, and raises a dedicated ZipBomb exception when the configured limit is exceeded. Pandora then aborts extraction and reports the file as too large.
Severity
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pandora-analysis/pandora/commi… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pandora-analysis | pandora |
Affected:
0 , ≤ 1.12.5
(semver)
|
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CVE-2026-74764 (GCVE-0-2026-74764)
Vulnerability from cvelistv5 – Published: 2026-08-15 21:39 – Updated: 2026-08-15 21:39
VLAI
EPSS
VEX
Title
Path Traversal in TAR Archive Extraction Allows Arbitrary File Write in Pandora
Summary
Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a submitted TAR archive, the extractor passed archive member names directly to Python's tarfile.TarFile.extract() without applying an extraction filter.
An attacker able to submit a specially crafted TAR archive containing malicious member paths, such as paths using ../ sequences or absolute paths, could cause extracted files to be written outside the intended extraction directory. This may allow the attacker to overwrite files accessible to the Pandora worker process and could potentially result in application compromise, arbitrary code execution, or denial of service depending on the files targeted and the privileges of the Pandora process.
The vulnerability is corrected by using Python's filter='data' extraction filter, which rejects or sanitizes dangerous TAR members, including paths that escape the destination directory and unsafe link targets.
The weakness corresponds to MITRE's general path traversal category, which includes archive extraction cases where attacker-controlled filenames cause files to be written outside the intended directory.
Severity
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/pandora-analysis/pandora/commi… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pandora-analysis | pandora |
Affected:
0 , ≤ 1.12.5
(semver)
|
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"value": "Pandora contains a path traversal vulnerability in its TAR archive extraction functionality. When processing a submitted TAR archive, the extractor passed archive member names directly to Python\u0027s tarfile.TarFile.extract() without applying an extraction filter.\n\n\nAn attacker able to submit a specially crafted TAR archive containing malicious member paths, such as paths using ../ sequences or absolute paths, could cause extracted files to be written outside the intended extraction directory. This may allow the attacker to overwrite files accessible to the Pandora worker process and could potentially result in application compromise, arbitrary code execution, or denial of service depending on the files targeted and the privileges of the Pandora process.\n\n\nThe vulnerability is corrected by using Python\u0027s filter=\u0027data\u0027 extraction filter, which rejects or sanitizes dangerous TAR members, including paths that escape the destination directory and unsafe link targets. \n\n\nThe weakness corresponds to MITRE\u0027s general path traversal category, which includes archive extraction cases where attacker-controlled filenames cause files to be written outside the intended directory."
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"capecId": "CAPEC-126",
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"subConfidentialityImpact": "HIGH",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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"descriptions": [
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"cweId": "CWE-22",
"description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
"lang": "en",
"type": "CWE"
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]
}
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"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
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{
"tags": [
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],
"url": "https://github.com/pandora-analysis/pandora/commit/186b58d41e04248a154d274fffb5813e7fa2012e"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Path Traversal in TAR Archive Extraction Allows Arbitrary File Write in Pandora",
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"cveId": "CVE-2026-74764",
"datePublished": "2026-08-15T21:39:09.862Z",
"dateReserved": "2026-08-15T21:39:04.877Z",
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