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CVE-2026-76198— CAI Content Credentials | Improper Input Validation (CWE-20)

Quick assessment

Affected
Adobe C2PA Tool
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CAI Content Credentials 存在一个“不当输入验证”漏洞，可能导致任意文件系统读取。攻击者可以利用此漏洞访问超出预期访问范围的敏感文件和目录。利用此漏洞需要用户交互，即受害者必须打开一个恶意文件。

CVSS 5.5 · Medium

Affected Version Matrix 4

VendorProduct Version RangeStatus
Adobe C2PA Tool ≤ c2patool-v0.26.70 affected
c2patool-v0.27.11 unaffected
Adobe Content Credentials Rust SDK ≤ c2pa-v0.89.0 affected
c2pa-v0.90.11 unaffected
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I. Basic Information for CVE-2026-76198

Vulnerability Information
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Vulnerability Title
CAI Content Credentials | Improper Input Validation (CWE-20)
Source: CVE Program / CVE List V5
Vulnerability Description
CAI Content Credentials is affected by an Improper Input Validation vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe C2PA Tool 0 ~ c2patool-v0.26.70 -
Adobe Content Credentials Rust SDK 0 ~ c2pa-v0.89.0 -

II. Public POCs for CVE-2026-76198

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III. Intelligence Information for CVE-2026-76198

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Vendor Advisories for CVE-2026-76198 (1)

Same Patch Batch · Adobe · 2026-08-25 · 38 CVEs total

CVE-2026-76193 10.0 CRITICAL Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918)
CVE-2026-76197 10.0 CRITICAL Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS C
CVE-2026-76195 10.0 CRITICAL Adobe Campaign Classic (ACC) | Improper Neutralization of Special Elements used in an OS C
CVE-2026-48424 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48433 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48431 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48427 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48428 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48426 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48430 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-71564 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-48432 7.8 HIGH Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48419 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-75750 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48417 7.8 HIGH Substance3D - Sampler | Stack-based Buffer Overflow (CWE-121)
CVE-2026-48422 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-75770 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-75767 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-75768 7.8 HIGH Substance3D - Painter | Untrusted Search Path (CWE-426)
CVE-2026-75766 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)

Showing top 20 of 38 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: C2PA Tool
Same vendor: Adobe
Same weakness: CWE-20

V. Comments for CVE-2026-76198

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