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CVE-2026-34680— CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)

Quick assessment

Affected
Adobe CAI Content Credentials
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 CAI Content Credentials是美国奥多比（Adobe）公司的一个提供数字内容来源认证与编辑历史追踪能力的内容可信标记系统。 Adobe CAI Content Credentials 0.78.2版本、0.7.0版本及之前版本存在输入验证错误漏洞，该漏洞源于整数溢出或环绕错误，可能导致应用程序拒绝服务。

CVSS 6.2 · Medium EPSS 0.26% · P18

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Adobe CAI Content Credentials ≤ c2pa-v0.78.2 affected
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I. Basic Information for CVE-2026-34680

Vulnerability Information
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Vulnerability Title
CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)
Source: CVE Program / CVE List V5
Vulnerability Description
CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe CAI Content Credentials 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe CAI Content Credentials是美国奥多比（Adobe）公司的一个提供数字内容来源认证与编辑历史追踪能力的内容可信标记系统。 Adobe CAI Content Credentials 0.78.2版本、0.7.0版本及之前版本存在输入验证错误漏洞，该漏洞源于整数溢出或环绕错误，可能导致应用程序拒绝服务。
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 CAI Content Credentials 0 ~ c2pa-v0.78.2 -

II. Public POCs for CVE-2026-34680

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III. Intelligence Information for CVE-2026-34680

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Vendor Advisories for CVE-2026-34680 (1)

Same Patch Batch · Adobe · 2026-05-12 · 51 CVEs total

CVE-2026-34659 9.6 CRITICAL Adobe Connect | Deserialization of Untrusted Data (CWE-502)
CVE-2026-34660 9.3 CRITICAL Adobe Connect | Incorrect Authorization (CWE-863)
CVE-2026-34686 8.7 HIGH Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
CVE-2026-34653 8.7 HIGH Adobe Commerce | Improper Limitation of a Pathname to a Restricted Directory ('Path Traver
CVE-2026-34687 7.8 HIGH Illustrator | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34638 7.8 HIGH Premiere Pro | Use After Free (CWE-416)
CVE-2026-34675 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-34676 7.8 HIGH Substance3D - Painter | Out-of-bounds Write (CWE-787)
CVE-2026-34644 7.8 HIGH After Effects | Integer Overflow or Wraparound (CWE-190)
CVE-2026-34643 7.8 HIGH After Effects | Out-of-bounds Write (CWE-787)
CVE-2026-34642 7.8 HIGH After Effects | Heap-based Buffer Overflow (CWE-122)
CVE-2026-34639 7.8 HIGH Media Encoder | Out-of-bounds Write (CWE-787)
CVE-2026-34640 7.8 HIGH Media Encoder | Integer Overflow or Wraparound (CWE-190)
CVE-2026-34661 7.8 HIGH Illustrator | Out-of-bounds Write (CWE-787)
CVE-2026-34636 7.8 HIGH Premiere Pro | Out-of-bounds Write (CWE-787)
CVE-2026-34683 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34684 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34681 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34682 7.8 HIGH Substance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-34690 7.8 HIGH After Effects | Stack-based Buffer Overflow (CWE-121)

Showing top 20 of 51 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: CAI Content Credentials
Same vendor: Adobe
Same weakness: CWE-190

V. Comments for CVE-2026-34680

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