arc53 DocsGPT Credential Storage encryption.py encrypt_credentials data authenticity

published 2026-06-28 4 mo ago modified 2026-10-25 15 d ago also EUVD-2026-39983

cvss: 3.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

A flaw has been found in arc53 DocsGPT up to 0.18.0. The affected element is the function encrypt_credentials of the file application/security/encryption.py of the component Credential Storage. This manipulation causes insufficient verification of data authenticity. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Patch / fix

links 1

github.com/arc53/DocsGPT#2331 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-06-29)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/arc53/DocsGPT/issues/2503 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	2.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	3.0	3.1	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	2.0	2.1	AV:N/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	1.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.1	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA	2.0	2.1	AV:N/AC:H/Au:S/C:N/I:P/A:N

Affected products

arc53 DocsGPT

Classification

Weakness

CWE-345 Insufficient Verification of Data Authenticity

References

github.com /arc53/DocsGPT/pull/2331
issue-tracking, patch
github.com /arc53/DocsGPT/issues/2503
exploit, issue-tracking
vuldb.com /vuln/374480
vdb-entry, technical-description
vuldb.com /vuln/374480/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-13483
third-party-advisory
vuldb.com /submit/837646
third-party-advisory
github.com /arc53/DocsGPT/
product

Sources

CVE List CVE-2026-13483
NVD CVE-2026-13483

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary