web2py 3.2.2-stable webservices.py read_file/write_file path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k1.13-

Summaryinfo

A vulnerability marked as critical has been reported in web2py 3.2.2-stable. This affects the function read_file/write_file of the file applications/admin/controllers/webservices.py. The manipulation leads to path traversal. This vulnerability is documented as CVE-2026-79318. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in web2py 3.2.2-stable. This issue affects the function read_file/write_file of the file applications/admin/controllers/webservices.py. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

web2py 3.2.2-stable (commit a7330a2bf21219fa77860b6665de927dd4f98e6d) is vulnerable to Directory Traversal in read_file()/write_file() (applications/admin/controllers/webservices.py).

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-79318 since 08/25/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Applying the patch a7330a2bf21219fa77860b6665de927dd4f98e6d is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: a7330a2bf21219fa77860b6665de927dd4f98e6d

Timelineinfo

08/25/2026 CVE reserved
09/21/2026 +27 days Advisory disclosed
09/21/2026 +0 days VulDB entry created
09/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-79318 (🔒)
GCVE (CVE): GCVE-0-2026-79318
GCVE (VulDB): GCVE-100-408251

Entryinfo

Created: 09/21/2026 22:21
Changes: 09/21/2026 22:21 (55)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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