CVE-2026-3286: A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3

Routine

MEDIUM 6.3DOWNGRADE

CVE-2026-3286 is a medium-severity flaw (CVSS 6.3) affecting paicoding. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3. The impacted element is the function Save of the file paicoding-web/src/main/java/com/github/paicoding/forum/web/common/image/rest/ImageRestController.java of the component Image Save Endpoint. Such manipulation of the argument img leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor w

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-02-27
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: itwanger

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-27 04:16 UTCPublished CVE record published
2026-06-17 10:43 UTCUpdated Record last modified

itwanger paicoding DOWNGRADE

Affected: 1.0.0 · 1.0.1 · 1.0.2 · 1.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy paicoding || rpm -q paicoding || paicoding --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison paicoding sudo apt install paicoding=<VERSION_BEFORE_1.0.0> sudo apt-mark hold paicoding

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list paicoding sudo dnf downgrade paicoding-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add paicoding

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3286?

paicoding: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-3286 being exploited?

CVE-2026-3286 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3286 affect?

CVE-2026-3286 affects paicoding. Severity is medium (CVSS 6.3). A vulnerability was identified in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3. The impacted element is the function Save of the file paicoding-web/src/main/java/com/github/paicoding/forum/web/common/image/rest/ImageRestController.java of the

How urgent is CVE-2026-3286?

Priority 34/100. Public exploit reference

Software pages

Java vulnerabilities · GitHub vulnerabilities

Related CVEs

CVE-2025-4839 LOW 3.1 DOWNGRADE A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic
CVE-2025-3967 MEDIUM 5.4 DOWNGRADE A vulnerability was found in itwanger paicoding 1.0.3
CVE-2025-3966 MEDIUM 4.3 DOWNGRADE A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic
CVE-2025-3965 LOW 3.5 DOWNGRADE A vulnerability has been found in itwanger paicoding 1.0.3 and classified as problematic

References

← Back to latest CVEs