CVE-2026-50888
Koillection has an authenticated Server-Side Request Forgery issue
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.1
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
- Record
CVE-2026-50888- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-36786
8.1
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
- Record
EUVD-2026-36786- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gmxh-hjfv-qc2w
8.1
Koillection has an authenticated Server-Side Request Forgery issue
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
- Record
GHSA-gmxh-hjfv-qc2w- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD
8.1
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
- Record
CVE-2026-50888- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSVGHSA-gmxh-hjfv-qc2w
8.1
Koillection has an authenticated Server-Side Request Forgery issue
An authenticated Server-Side Request Forgery (SSRF) in the custom scraper subsystem component of Benjamin Jonard Koillection v1.8.0 allows attackers to scan internal resources via supplying a crafted URL.
- Record
GHSA-gmxh-hjfv-qc2w- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
koillection/koillectionPackagist |
before 1.8.4 | 1.8.4 |
koillection/koillectionPackagist |
before 1.8.4, plus listed versions 1.1.71.2.01.2.11.2.21.2.3 Show 45 moreShow less1.2.41.2.51.3.01.3.11.3.101.3.111.3.121.3.131.3.141.3.151.3.161.3.171.3.181.3.21.3.31.3.41.3.51.3.61.3.71.3.81.3.91.4.01.4.11.4.101.4.111.4.121.4.131.4.21.4.31.4.41.4.51.4.61.4.71.4.81.4.91.5.01.5.11.5.101.5.111.5.121.5.131.5.141.5.151.5.21.5.3 |
1.8.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-50888 is a high vulnerability (CVSS 8.1) in koillection/koillection, published June 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in koillection/koillection 1.8.4.
References
gist.github.com/pyuysig/d60273c1c346257ceddbf8da7134bae7
nvd.nist.gov/vuln/detail/CVE-2026-50888
github.com/benjaminjonard/koillection/pull/1599
github.com/benjaminjonard/koillection/commit/4d445e21c631c26070f19fe8ec086a2939767ae0
github.com/benjaminjonard/koillection/releases/tag/1.8.4
github.com/advisories/GHSA-gmxh-hjfv-qc2w
github.com/benjaminjonard/koillection
Left out here: 41 versions. The JSON record has them.