CVE-2026-2622: A vulnerability was detected in Blossom up to 1.17.1

Q: How do I fix CVE-2026-2622?

blossom: upgrade to newer than 1.17.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-2622 being exploited?

CVE-2026-2622 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2622 affect?

CVE-2026-2622 affects blossom. Severity is low (CVSS 3.5). A vulnerability was detected in Blossom up to 1.17.1. This vulnerability affects the function content of the file blossom-backend/backend/src/main/java/com/blossom/backend/server/article/draft/ArticleController.java of the component Article

Q: How urgent is CVE-2026-2622?

Priority 23/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2026-2622 is a low-severity flaw (CVSS 3.5) affecting blossom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in Blossom up to 1.17.1. This vulnerability affects the function content of the file blossom-backend/backend/src/main/java/com/blossom/backend/server/article/draft/ArticleController.java of the component Article Title Handler. The manipulation results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-02-17
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: wangyunf

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

Am I affected?

Timeline

2026-02-17 21:22 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

wangyunf blossom UPGRADE

Affected: <= 1.17.1

Fixed in: newer than 1.17.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.17.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade blossom

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade blossom

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-2622?

blossom: upgrade to newer than 1.17.1. Exact commands for each OS are on this page.

Is CVE-2026-2622 being exploited?

CVE-2026-2622 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-2026-2622 affect?

CVE-2026-2622 affects blossom. Severity is low (CVSS 3.5). A vulnerability was detected in Blossom up to 1.17.1. This vulnerability affects the function content of the file blossom-backend/backend/src/main/java/com/blossom/backend/server/article/draft/ArticleController.java of the component Article

How urgent is CVE-2026-2622?

Priority 23/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2026-2623 MEDIUM 6.3 UPGRADE A flaw has been found in Blossom up to 1.17.1

References

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