CVE-2026-77165PoC

LOWCVSS 6.5 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-09-22); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-09-22: 1Mentions · 2026-10-14: 1PoC Mentioned / Linked · 2026-09-22: 1Technical Details · 2026-09-22: 1Technical Details · 2026-10-14: 109-2210-14
Signal classification2 categories
PoC
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-09-221
PoC1
2026-10-141
Disclosure1
Full discourse2 posts
  • Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters
    Disclosure

    CVE-2026-77165: files stuck permanently locked, no fix outside DB surgery. CVSS 6.5, unpatched. Audit your TYPE_TOKEN locks now. https://www.valtersit.com/cve/CVE-2026-77165 #CVE #infosec #cybersecurity #CVEALERT #CVE #infosec #Linux #XSS #valtersit #snippet #SysAdmin #cybersecurity #devsecops #devops #developer #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecuritynews #cybersecuritytips #python #hacker #kali #ubuntu #debian #docker

    Post summary

    The tweet discloses CVE-2026-77165 with technical details (files permanently locked, CVSS 6.5, TYPE_TOKEN locks) and a link, but provides no PoC, exploit tool, active exploitation evidence, or named patch/workaround.

    0000035
    1.1K followersView on X
  • Hephaestvs@Vulcanux_
    PoC

    csirt_it: ‼️ #PoC #Nextcloud: Disponibile Proof of Concept (PoC) per la CVE-2026-77165 Rischio: 🟠 Tipologia: 🔸 Denial of Service 🔗 https://www.acn.gov.it/portale/w/nextcloud-poc-pubblica-per-lo-sfruttamento-della-cve-2026-77165 ⚠️ Importante mantenere aggiornati i sistemi https://t.co/okpNessDhy

    Post summary

    The tweet announces the public availability of a Proof of Concept for a Nextcloud Denial of Service vulnerability (CVE-2026-77165) and includes a link to further details.

    0000039
    638 followersView on X

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