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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.

Adobe C2PA Tool是美国Adobe公司的一款内容来源验证与数据证书工具。 Adobe C2PA Tool c2patool-v0.26.70及之前版本和Adobe Content Credentials Rust SDK c2pa-v0.89.0及之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，可能导致任意文件系统读取，攻击者可访问预期访问范围之外的敏感文件和目录，利用该漏洞需要用户交互，受害者需打开恶意文件。

CVSS 5.5 · Medium EPSS 0.26% · P17

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
Vulnerability Title
Adobe C2PA Tool 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe C2PA Tool是美国Adobe公司的一款内容来源验证与数据证书工具。 Adobe C2PA Tool c2patool-v0.26.70及之前版本和Adobe Content Credentials Rust SDK c2pa-v0.89.0及之前版本存在输入验证错误漏洞，该漏洞源于输入验证不当，可能导致任意文件系统读取，攻击者可访问预期访问范围之外的敏感文件和目录，利用该漏洞需要用户交互，受害者需打开恶意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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-2026-76197 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-2026-76193 10.0 CRITICAL Adobe Campaign Classic (ACC) | Server-Side Request Forgery (SSRF) (CWE-918)
CVE-2026-48417 7.8 HIGH Substance3D - Sampler | Stack-based Buffer Overflow (CWE-121)
CVE-2026-75750 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48420 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-48422 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-71382 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-48423 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-48418 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-48421 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)
CVE-2026-48425 7.8 HIGH Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
CVE-2026-71399 7.8 HIGH Adobe XD | Buffer Overflow (CWE-120)
CVE-2026-75749 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-75770 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-75769 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
CVE-2026-75766 7.8 HIGH Substance3D - Painter | Heap-based Buffer Overflow (CWE-122)
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-2026-48419 7.8 HIGH Substance3D - Sampler | Out-of-bounds Write (CWE-787)

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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