CVE-2026-82543 (GCVE-0-2026-82543)
Vulnerability from cvelistv5 – Published: 2026-08-30 12:45 – Updated: 2026-08-30 12:45 X_Open Source
VLAI
EPSS
VEX
Title
vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition
Summary
A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended.
Severity
CWE
- CWE-362 - Race Condition
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397060 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397060/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82543 | third-party-advisory |
| https://vuldb.com/submit/891416 | third-party-advisory |
| https://github.com/vastsa/FileCodeBox/issues/482 | exploitissue-tracking |
| https://github.com/vastsa/FileCodeBox/pull/487 | issue-trackingpatch |
| https://github.com/vastsa/FileCodeBox/commit/8d7d… | patch |
| https://github.com/vastsa/FileCodeBox/releases/ta… | patch |
| https://github.com/vastsa/FileCodeBox/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| vastsa | FileCodeBox |
Affected:
2.0
Affected: 2.1 Affected: 2.2 Affected: 2.3 Unaffected: 2.5.0 cpe:2.3:a:vastsa:filecodebox:*:*:*:*:*:*:*:* |
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:vastsa:filecodebox:*:*:*:*:*:*:*:*"
],
"modules": [
"Pickup Limit Handler"
],
"product": "FileCodeBox",
"vendor": "vastsa",
"versions": [
{
"status": "affected",
"version": "2.0"
},
{
"status": "affected",
"version": "2.1"
},
{
"status": "affected",
"version": "2.2"
},
{
"status": "affected",
"version": "2.3"
},
{
"status": "unaffected",
"version": "2.5.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Galaxyn (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended."
}
],
"metrics": [
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
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"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-362",
"description": "Race Condition",
"lang": "en",
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}
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}
],
"providerMetadata": {
"dateUpdated": "2026-08-30T12:45:11.353Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-397060 | vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/397060"
},
{
"name": "VDB-397060 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
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"url": "https://vuldb.com/vuln/397060/cti"
},
{
"name": "CVE-2026-82543 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-82543"
},
{
"name": "Submit #891416 | vastsa FileCodeBox 2.0.0-dev (main branch, ~2026-06-19) CWE-362 (Race Condition \u2014 TOCTOU) + CWE-840 (Business Logic Erro",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/891416"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/vastsa/FileCodeBox/issues/482"
},
{
"tags": [
"issue-tracking",
"patch"
],
"url": "https://github.com/vastsa/FileCodeBox/pull/487"
},
{
"tags": [
"patch"
],
"url": "https://github.com/vastsa/FileCodeBox/commit/8d7d856c62d73badd0797eb4daec8d2ff10a403a"
},
{
"tags": [
"patch"
],
"url": "https://github.com/vastsa/FileCodeBox/releases/tag/v2.5.0"
},
{
"tags": [
"product"
],
"url": "https://github.com/vastsa/FileCodeBox/"
}
],
"tags": [
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2026-08-29T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-29T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-29T19:52:40.000Z",
"value": "VulDB entry last update"
}
],
"title": "vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-82543",
"datePublished": "2026-08-30T12:45:11.353Z",
"dateReserved": "2026-08-29T17:47:33.615Z",
"dateUpdated": "2026-08-30T12:45:11.353Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-82543\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-08-30T13:16:56.447\",\"lastModified\":\"2026-08-30T13:16:56.447\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"vastsa\",\"product\":\"FileCodeBox\",\"cpes\":[\"cpe:2.3:a:vastsa:filecodebox:*:*:*:*:*:*:*:*\"],\"modules\":[\"Pickup Limit Handler\"],\"versions\":[{\"version\":\"2.0\",\"status\":\"affected\"},{\"version\":\"2.1\",\"status\":\"affected\"},{\"version\":\"2.2\",\"status\":\"affected\"},{\"version\":\"2.3\",\"status\":\"affected\"},{\"version\":\"2.5.0\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"PROOF_OF_CONCEPT\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"}]}],\"references\":[{\"url\":\"https://github.com/vastsa/FileCodeBox/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/vastsa/FileCodeBox/commit/8d7d856c62d73badd0797eb4daec8d2ff10a403a\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/vastsa/FileCodeBox/issues/482\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/vastsa/FileCodeBox/pull/487\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/vastsa/FileCodeBox/releases/tag/v2.5.0\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-82543\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/891416\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397060\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397060/cti\",\"source\":\"cna@vuldb.com\"}]}}"
}
}
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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.
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.
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