UCC CampusConnect App campusconnect.ucc BuildConfig.java hard-coded key

published 2026-04-03 7 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-18577

cvss: 3.3; 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 3%
public exploits: 0; none known

A flaw has been found in UCC CampusConnect App up to 14.3.5 on Android. This vulnerability affects unknown code of the file campusconnect/BuildConfig.java of the component campusconnect.ucc. This manipulation causes use of hard-coded cryptographic key . The attack can only be executed locally. The exploit has been published and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-04-03)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

notion.so https://www.notion.so/Uploadcare-Private-Key-Exposure-Leading-to-Unauthorized-File-Operations-and-Potential-RCE-in-campusc-3262de3f97fb8057bc67ec4320672d99?source=copy_link referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N

Affected products

UCC CampusConnect App

Classification

Weakness

CWE-321 Use of Hard-coded Cryptographic Key
CWE-320 Key Management Errors

References

notion.so /Uploadcare-Private-Key-Exposure-Leading-to-Unauthorized-File-Operations-and-Potential-RCE-in-campusc-3262de3f
exploit
vuldb.com /vuln/355040
vdb-entry
vuldb.com /vuln/355040/cti
signature, permissions-required
vuldb.com /submit/781757
third-party-advisory

Sources

CVE List CVE-2026-5452
NVD CVE-2026-5452

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