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No exploitation reportedAwaiting NVD analysis

CVE-2026-68540

fulgur: Quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements causes denial of servicefulgur:

No exploitation reported by the sources we read.

  • Published2026-11-11
  • WeaknessCWE-400 · CWE-405

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. From version 0.6.0 to before version 0.33.0, quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements cause denial of service. This issue has been patched in version 0.33.0.

Timeline

dates in UTC
  1. 2026-11-1122:12CVE publishedCNA

Versions per branch

Products declared by the CNA

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • fulgur-rs fulgur
    Affected
    • = >= 0.6.0, < 0.33.0no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-11

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-68540 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-11
  • CNACVSS 3.17.52026-11-11
  • CNAweakness (CWE)CWE-400, CWE-4052026-11-11

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-11-11

Frequently asked questions

What is CVE-2026-68540?

fulgur converts untrusted HTML/CSS into PDF, commonly on a server that processes input supplied by many tenants. From version 0.6.0 to before version 0.33.0, quadratic style-list reprocessing during containing-block resolution for absolutely-positioned pseudo-elements cause denial of service. This issue has been patched in version 0.33.0.

Is CVE-2026-68540 actively exploited?

Active exploitation of CVE-2026-68540 has not been confirmed.

What is the CVSS score for CVE-2026-68540?

CVE-2026-68540 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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