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VulnerabilityPublished Updated

CVE-2026-102414: browserify pbkdf2 · Uncontrolled Resource Consumption

Affects browserify pbkdf2Source CVE Database V5

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Not known to be exploited · CVSS 6.3 Medium.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
browserifypbkdf2Affected
  • <=3.1.6
Fixed in–
npmpbkdf2pkg:npm/pbkdf2Other threatsAffected
  • <=3.1.6
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should enforce reasonable maximum password lengths to mitigate the risk of event loop blocking. Since the vulnerability affects fallback implementations triggered by native pbkdf2Sync feature check failures, upgrading to Node.js 0.12 or later, or using browser builds, avoids the fallback and thus the vulnerability. Monitor vendor advisories for any future patches or updates.

Description

CVE-2026-102414 is a medium severity vulnerability in the browserify pbkdf2 library up to version 3.1.6. It involves uncontrolled resource consumption due to re-hashing of passwords longer than the digest's block size on every iteration in the JavaScript fallback implementation. This causes a computational cost proportional to the product of iterations and password length, potentially blocking the event loop. The issue affects Node.js versions before 0.12, Bun versions 1.0.0 through 1.1.34 and 1.2.6 and later, and Deno 2.9.0 and later when the fallback is used. Node.js 0.12 and later and browser builds are not affected. Applications that enforce reasonable maximum password lengths are not significantly impacted.

References

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