How severe is CVE-2026-3286?

CVE-2026-3286 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3286?

CVE-2026-3286 primarily affects Itwanger Paicoding. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-3286?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3286 have an EU (EUVD) identifier?

Yes. CVE-2026-3286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8993.

When was CVE-2026-3286 published?

CVE-2026-3286 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2026-3286

CVE-2026-3286 is a medium-severity vulnerability in Itwanger Paicoding with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8993
Weakness: CWE-918
Affected product: Itwanger Paicoding
Published: 2026-02-27
Last modified: 2026-06-17

Description

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 was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-3286?: 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 was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-3286?: CVE-2026-3286 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3286?: CVE-2026-3286 primarily affects Itwanger Paicoding. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-3286?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3286 have an EU (EUVD) identifier?: Yes. CVE-2026-3286 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8993.
When was CVE-2026-3286 published?: CVE-2026-3286 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:itwanger:paicoding:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:itwanger:paicoding:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:itwanger:paicoding:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:itwanger:paicoding:1.0.3:*:*:*:*:*:*:*

More vulnerabilities in Itwanger Paicoding

CVE-2025-3967 — Medium (CVSS 5.4): A vulnerability was found in itwanger paicoding 1.0.3. It has been classified as critical. This affects an unknown part…
CVE-2025-3966 — Medium (CVSS 4.3): A vulnerability was found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this issue is some…
CVE-2025-3965 — Low (CVSS 3.5): A vulnerability has been found in itwanger paicoding 1.0.3 and classified as problematic. Affected by this…
CVE-2025-4839 — Low (CVSS 3.1): A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic. Affected by…

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