Security readout for executives and security teams
Plain-English summary
touchbase.ai could expose hidden photo metadata because versions before 2.0 did not remove EXIF data from uploaded images. If a user uploaded a photo containing location, device, or software details, another user with access to that image could see those details.
Executive priority
Treat this as a low-priority privacy remediation unless the service handled sensitive personal photos or regulated data. Patch during the next normal maintenance window, and consider cleanup of previously uploaded images if exposure would create privacy risk.
Technical view
CVE-2020-26220 is a CWE-200 information exposure issue in puncsky touchbase.ai before 2.0. The upload/display flow did not strip EXIF metadata from images. Confidentiality impact is low; the listed CVSS 3.1 score is 3.5 with no integrity or availability impact.
Likely exposure
Exposure is likely limited to deployments of puncsky touchbase.ai earlier than 2.0 that allowed image uploads and made uploaded images accessible to other authenticated users. The leaked data depends on whether original images contained EXIF metadata.
Exploitation context
The source bundle does not show active exploitation, and the CVE is not marked KEV. Abuse requires access to another user's uploaded image and useful metadata being present. The practical concern is privacy leakage, especially geolocation from photos.
Researcher notes
Evidence is limited but consistent: affected product is puncsky touchbase.ai before 2.0, fixed in 2.0. No CPEs are listed. The vulnerability is conditional on metadata presence and image access, and the sources do not support claims of public exploitation.
Mitigation direction
- Upgrade touchbase.ai to version 2.0 or later.
- Confirm new uploads have EXIF metadata stripped.
- Review existing uploaded images for sensitive metadata exposure.
- Restrict access to uploaded images where business workflows allow.
- Check the GitHub advisory for vendor-specific guidance.
Validation and detection
- Inventory touchbase.ai deployments and confirm installed version.
- Verify whether image uploads retain EXIF metadata in a test environment.
- Review stored user images for location, device, or software metadata.
- Confirm access controls prevent unnecessary cross-user image access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-26220 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N2.11.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.5LowVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/puncsky/touchbase.ai/security/advisories/GHSA-hh6j-j73p-cp3hCVE reference · x_refsource_CONFIRM
- https://github.com/puncsky/touchbase.ai/pull/400/commits/69de77b163f6debaeb3f8d1a85367310a40d196fCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
