CVE-2026-31826Disclosure(pypdf_project / pypdf)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

pypdf is a free and open-source pure-python PDF library. Prior to 6.8.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing a content stream with a rather large /Length value, regardless of the actual data length inside the stream. This vulnerability is fixed in 6.8.0.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • pypdf

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-03-10); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
pypdf

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-10: 1Mentions · 2026-03-11: 1Technical Details · 2026-03-10: 1Technical Details · 2026-03-11: 103-1003-11
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-31826 Memory Exhaustion Vulnerability in pypdf Library Prior to Version 6.8.0 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-31826

    Post summary

    The message reports a memory exhaustion vulnerability (CVE-2026-31826) in the pypdf library before version 6.8.0, with no PoC, exploit, or patch details provided.

    0001026
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-31826 pypdf is a free and open-source pure-python PDF library. Prior to 6.8.0, an attacker who uses this vulnerability can craft a PDF which leads to large memory usage. Th… https://www.cve.org/CVERecord?id=CVE-2026-31826

    Post summary

    The post announces CVE‑2026-31826, describing a memory‑exhaustion vulnerability in pypdf versions before 6.8.0, but it does not provide exploit code, patches, or evidence of active exploitation.

    00000102
    56.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apppypdf_projectpypdf---

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