Security readout for executives and security teams
Plain-English summary
OpenClaw versions before 2026.3.13 can spend memory and processing time on Telegram webhook requests before confirming they are legitimate. An unauthenticated internet user could pressure the service into resource exhaustion, causing availability loss for affected deployments.
Executive priority
Prioritize remediation for internet-exposed OpenClaw systems using Telegram webhooks. The main business risk is service disruption, not data theft, but unauthenticated availability attacks can still affect customer operations and incident response capacity.
Technical view
The webhook handler buffers and parses request bodies before validating the x-telegram-bot-api-secret-token header. This creates CWE-770 uncontrolled resource consumption. The supplied CVSS 4.0 score is 8.7, driven by network reachability, no required privileges, low attack complexity, and high availability impact.
Likely exposure
Exposure is most likely where OpenClaw before 2026.3.13 has a Telegram webhook endpoint reachable from untrusted networks. Deployments without Telegram webhook use, or already updated to 2026.3.13 or later, appear less exposed based on the bundle.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The vulnerability is still concerning because it is unauthenticated, network reachable, and affects availability through resource exhaustion before authentication validation.
Researcher notes
Use the vendor advisory, CVE record, VulnCheck advisory, and patch commit as primary evidence. The bundle identifies CWE-770 and the vulnerable pre-auth processing pattern, but does not provide evidence of exploitation in the wild.
Mitigation direction
- Upgrade OpenClaw to 2026.3.13 or later.
- Review the GitHub advisory and patch commit for vendor-confirmed remediation details.
- If upgrade is delayed, check vendor guidance for supported temporary controls.
- Reduce unnecessary public exposure of the Telegram webhook endpoint where operationally possible.
Validation and detection
- Inventory OpenClaw deployments and confirm versions are not below 2026.3.13.
- Identify whether Telegram webhook endpoints are reachable from untrusted networks.
- Review service metrics for abnormal memory, socket, or request-body processing pressure.
- Confirm the fixed handler validates the secret token before expensive body processing.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-770: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-32980 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- GitHub Security Advisory (GHSA-jq3f-vjww-8rq7)CVE reference, VulnCheck · vendor-advisory
- Patch CommitCVE reference, VulnCheck · patch
- VulnCheck Advisory: OpenClaw < 2026.3.13 - Resource Exhaustion via Unauthenticated Telegram Webhook RequestCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.