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PYSEC-2026-3983
Vulnerability from pysec - Published: 2026-09-09 12:17 - Updated: 2026-09-19 17:59
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
Impacted products
| Name | purl | gitpython | pkg:pypi/gitpython |
|---|
Aliases
{
"affected": [
{
"ecosystem_specific": {},
"package": {
"ecosystem": "PyPI",
"name": "gitpython",
"purl": "pkg:pypi/gitpython"
},
"ranges": [
{
"events": [
{
"introduced": "3.1.59"
},
{
"fixed": "3.1.60"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.1.59"
]
}
],
"aliases": [
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
],
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "PYSEC-2026-3983",
"modified": "2026-09-19T17:59:23Z",
"published": "2026-09-09T12:17:16.980Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
BREW-CHECKOV-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 15:11 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "checkov",
"purl": "pkg:brew/checkov"
},
"ranges": [
{
"events": [
{
"introduced": "3.3.10"
},
{
"fixed": "3.3.10_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-checkov-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T15:11:41Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-CYCODE-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 15:20 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "cycode",
"purl": "pkg:brew/cycode"
},
"ranges": [
{
"events": [
{
"introduced": "3.19.1"
},
{
"fixed": "3.22.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-cycode-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T15:20:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-DSTACK-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 15:26 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "dstack",
"purl": "pkg:brew/dstack"
},
"ranges": [
{
"events": [
{
"introduced": "0.21.1"
},
{
"fixed": "0.21.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-dstack-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T15:26:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-JIRATUI-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 16:09 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "jiratui",
"purl": "pkg:brew/jiratui"
},
"ranges": [
{
"events": [
{
"introduced": "1.13.0"
},
{
"fixed": "1.13.1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-jiratui-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T16:09:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-PYGITUP-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 17:40 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "pygitup",
"purl": "pkg:brew/pygitup"
},
"ranges": [
{
"events": [
{
"introduced": "2.5.0"
},
{
"fixed": "2.5.0_1"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-pygitup-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T17:40:53Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-SNAKEMAKE-CVE-2026-87818 (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 18:39 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.62",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "snakemake",
"purl": "pkg:brew/snakemake"
},
"ranges": [
{
"events": [
{
"introduced": "9.25.2"
},
{
"fixed": "9.26.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.62",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.62"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-snakemake-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T18:39:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-SNOWFLAKE-CLI-CVE-2… (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 18:42 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": null,
"range_state": "affected",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.59",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "snowflake-cli",
"purl": "pkg:brew/snowflake-cli"
},
"ranges": [
{
"events": [
{
"introduced": "3.27.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.59",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.59"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-snowflake-cli-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T18:42:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
BREW-STANDARDEBOOKS-CVE-… (PYSEC-2026-3983)
Vulnerability from osv_homebrew – Published: 2026-09-18 18:55 – Updated: 2026-09-18 20:17 – Source website
VLAI
Details
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"fix": null,
"range_state": "affected",
"resource": "gitpython",
"resource_purl": "pkg:pypi/gitpython@3.1.59",
"upstream_fixed_in": "3.1.60"
},
"package": {
"ecosystem": "Homebrew",
"name": "standardebooks",
"purl": "pkg:brew/standardebooks"
},
"ranges": [
{
"events": [
{
"introduced": "4.1.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/gitpython@3.1.59",
"name": "gitpython",
"resource": "gitpython",
"strategy": "registry",
"subject_version": "3.1.59"
}
]
},
"details": "GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.",
"id": "BREW-standardebooks-CVE-2026-87818",
"modified": "2026-09-18T20:17:34Z",
"published": "2026-09-18T18:55:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.vulncheck.com/advisories/gitpython-3.1.59-local-file-content-oracle-via-no-index"
},
{
"type": "EVIDENCE",
"url": "https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-whh4-5q6c-9v3x"
}
],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
],
"upstream": [
"PYSEC-2026-3983",
"CVE-2026-87818",
"GHSA-whh4-5q6c-9v3x"
]
}
CVE-2026-87818 (GCVE-0-2026-87818)
Vulnerability from cvelistv5 – Published: 2026-09-09 11:21 – Updated: 2026-09-09 14:06
VLAI
EPSS
VEX
Title
GitPython 3.1.59 Local File Content Oracle via --no-index
Summary
GitPython 3.1.59 fails to restrict the --no-index option in the high-level diff API, allowing attackers to read arbitrary filesystem paths as repository operands. Attackers can combine --no-index with -I/--ignore-matching-lines to create a content-dependent Boolean oracle, repeatedly querying local files to recover single-line secrets through distinguishable success or error responses.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 14:06 UTC
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/gitpython-developers/GitPython… | vendor-advisory |
| https://www.vulncheck.com/advisories/gitpython-3.… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| gitpython-developers | GitPython |
Affected:
3.1.59 , < 3.1.60
(semver)
Unaffected: 3.1.60 (semver) cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:*:*:* |
Date Public
2026-08-26 00:00
Credits
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"metrics": [
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"other": {
"content": {
"id": "CVE-2026-87818",
"options": [
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"timestamp": "2026-09-09T14:06:42.660856Z",
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"metrics": [
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"baseSeverity": "HIGH",
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"tags": [
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}
],
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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