Server-Side Request Forgery in Akaunting 3.1.21 Invoice PDF Rendering
CVE-2026-8193

5.3MEDIUM

Key Information:

Vendor

Akaunting

Status
Akaunting
Vendor
CVE Published:
9 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-8193?

A vulnerability has been detected in the Invoice PDF Rendering component of Akaunting version 3.1.21. This issue arises from the manipulation of the config/dompdf.php file, potentially allowing an attacker to perform a server-side request forgery. The flaw could be exploited remotely, which raises significant security concerns. Despite early notification, the vendor has not issued a response regarding this vulnerability. The public availability of the exploit amplifies the urgency for users to apply updates and mitigate risks associated with SSRF attacks.

Affected Version(s)

Akaunting 3.1.21

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-8193 - Proof of Concept

References

https://vuldb.com/vuln/362345
vdb-entry
https://vuldb.com/vuln/362345/cti
signaturepermissions-required
https://vuldb.com/submit/800984
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

hai271120 (VulDB User)
VulDB CNA Team
.